Super Simple Vegan Gluten Free Coconut Baked Oatmeal

Revolutionize your mornings with these incredibly simple, yet profoundly delicious and nutritious 3-Ingredient Coconut Baked Oatmeal Squares! Crafted for health-conscious individuals and busy families alike, these delightful squares are not only vegan, oil-free, and gluten-free but also a testament to how truly wholesome and satisfying breakfast can be with minimal effort. Imagine a grab-and-go option that fuels your day without compromise – that’s precisely what these baked oatmeal squares offer.

In our fast-paced lives, finding time for a wholesome breakfast often feels like a luxury. We all yearn for something quick, convenient, and ready to enjoy at a moment’s notice. But what if that “something” could also be irresistibly delicious, deeply nourishing, and incredibly simple to prepare well in advance? Look no further than this recipe for my easy 3-Ingredient Coconut Baked Oatmeal Squares. They are the ultimate solution for stress-free mornings and a delightful treat any time of day.

Why You’ll Love These Coconut Baked Oatmeal Squares

These baked oatmeal squares aren’t just easy; they boast an impressive list of benefits that make them a standout choice for your healthy eating routine:

Purely Vegan: Completely free from animal products, making them suitable for plant-based diets and individuals with egg or dairy allergies.
Remarkably Simple (Only 3 Core Ingredients!): You read that right! With just three main components, preparation is straightforward and quick, proving that healthy eating doesn’t have to be complicated.
Certified Gluten-Free: Using certified gluten-free rolled oats ensures this recipe is safe for those with celiac disease or gluten sensitivities.
Naturally Oil-Free: We avoid added oils like olive, avocado, or vegan butter, relying on the natural richness of coconut milk for moisture and flavor.
Allergen-Friendly (Nut-Free): This recipe is naturally nut-free, a fantastic option for school lunches or households managing nut allergies.
No Binders Needed: Skip the starches, chia seeds, or flaxseed. Oats naturally bind beautifully, simplifying the ingredient list and process.
High in Fiber: Packed with oats, these squares contribute significantly to your daily fiber intake, promoting digestive health and sustained energy.
Leavening-Free: No baking soda, baking powder, or yeast required, further streamlining the recipe.
Refined Sugar-Free: Sweetened naturally with coconut sugar, offering a less processed alternative. See our recipe notes for other sweetener options like maple syrup or agave nectar (and honey if not strictly vegan).

The Power of Three: Ingredients Spotlight

You’ll find the precise measurements for each ingredient in the detailed recipe card at the end of this post. Feel free to switch between US Customary (volume) and Metric (weights) for your preferred measurement system.

This recipe truly shines because of its minimalist approach, relying on three stellar ingredients that combine to create something extraordinary. Let’s delve into what makes them so special:

Rolled Oats (Old-Fashioned): The foundation of our squares, rolled oats provide complex carbohydrates for sustained energy and a significant boost of soluble fiber. They absorb liquid beautifully, contributing to a wonderfully chewy texture. Opt for certified gluten-free oats if you have dietary restrictions.
Lite Coconut Milk: This is our secret weapon for creaminess, moisture, and that irresistible tropical flavor. Lite coconut milk offers all the coconut goodness without excess fat, making the squares light yet satisfying. It also naturally provides enough fat to replace added oils.
Coconut Sugar: A natural, unrefined sweetener derived from the sap of the coconut palm. Coconut sugar offers a subtle caramel note that perfectly complements the coconut milk, enhancing the overall flavor profile without being overly sweet. It’s a fantastic alternative to refined white sugar.

Now, for a little honesty: while the core flavor and structure come from these three, we do include a touch of water and a pinch of salt. However, in the spirit of simplicity and acknowledging their minimal role, I consider them “honorary” additions that don’t detract from the “3-ingredient” magic!

Crafting Your Coconut Baked Oatmeal Squares: The Simplification Process

My goal for this recipe was to create an exceptionally simple, healthy, and convenient breakfast or snack that could be made ahead of time and enjoyed on the go. The journey led me to revisit baked oatmeal, aiming for an egg-free and binder-free version that wouldn’t compromise on texture or flavor.

Many baked oatmeal recipes call for eggs, flax eggs, or chia eggs as binders. While these certainly work, I questioned if they were truly necessary. Oats, by nature, possess impressive binding capabilities—anyone who’s had a half-eaten bowl of oatmeal sit for a while can attest to its “sticking power.” This realization allowed me to confidently eliminate additional binders, streamlining the ingredient list even further.

Achieving the Perfect Oil-Free Texture

Creating oil-free baked goods can sometimes be a challenge, as fat contributes significantly to moisture and a pleasant mouthfeel. My initial attempts at completely fat-free baked oatmeal were passable, but the texture leaned more towards a “rubber eraser” than a delightful treat. The solution? Incorporating fat directly through a flavor-rich liquid. Instead of adding separate milk and coconut oil, why not use a single ingredient that delivers both the liquid and the tropical fat? A can of coconut milk proved to be the perfect answer. It imparts a wonderful, tropical essence and ensures a moist, tender crumb without needing any extra oil.

Sweetness from Nature’s Bounty

For the sweetener, coconut palm sugar was the natural choice. Its subtle caramel notes beautifully harmonize with the coconut milk, amplifying the tropical theme. While coconut sugar is my preference for this recipe, you have the flexibility to use any sweetener you enjoy. And of course, a dash of water and a pinch of salt are essential for balancing flavors and achieving the right consistency, even if they aren’t part of the main trio.

Sometimes, a recipe just clicks on the first try, and this was one of those fortunate moments! The combination yielded perfect results, right from the start.

Step-by-Step Directions to Baked Oatmeal Bliss

For your convenience, the complete, detailed instructions are also available in the recipe card further down this page.

Making these squares is incredibly straightforward. Follow these simple steps for perfect results:

Prepare Your Pan: Begin by preheating your oven to 350°F (180°C). Line a 9-inch (22.5 cm) square baking dish with foil, allowing a slight overhang on the sides for easy removal. Lightly spray the foil with nonstick cooking spray or a thin coat of oil to prevent sticking.
Blend the Wet Ingredients: In a blender or food processor, combine 1 cup of the rolled oats with the lite coconut milk, water, coconut sugar, and salt. Process until the mixture is smooth and well combined. This step creates a creamy base that will bind the remaining oats.
Assemble the Squares: Spread the remaining oats in an even layer across the bottom of your prepared baking pan. Slowly and carefully pour the blended wet mixture over the dry oats in the pan. Use a spatula to gently combine the oats and ensure the batter is evenly distributed throughout the pan.
Bake to Perfection: Place the pan in the preheated oven and bake for 43 to 45 minutes. The squares are ready when the center is set, the edges are delightfully crispy, and the top is golden brown. For an extra crisp edge and deeper golden color, you can briefly turn on the broiler (high) for 1-2 minutes, but watch it closely to prevent burning.
Cool and Cut: Once baked, transfer the pan to a wire rack and allow it to cool for at least 10 minutes. This cooling time is crucial for the squares to firm up. After cooling, use the foil overhangs to lift the oatmeal from the pan and carefully cut it into 9 even squares.
Serve and Enjoy: These squares are delicious served warm, either plain or with your favorite toppings like a dollop of nut butter, a swirl of jam, fresh fruit, or even in a bowl with a splash of milk. They are equally delightful enjoyed completely cooled, making them perfect for meal prep!

Unleash Your Creativity: Delicious Variations & Add-ins

While this baked oats recipe excels in its minimalist form, it also serves as a fantastic canvas for your culinary creativity. Adding extra ingredients can introduce new flavors, textures, and nutritional boosts. Here are some fantastic options to stir into the oat mixture before baking:

Dried Fruit: Enhance sweetness and chewiness with about 1/2 cup of dried fruit. Try raisins, dried cranberries, finely chopped dried apricots, or diced dried apples.
Fresh Fruit: Incorporate natural fruit flavors and moisture. Consider 1/2 to 1 cup of chopped pineapple, a handful of fresh berries (like raspberries, blueberries, or blackberries), diced banana, or small pieces of fresh apples.
Chocolate Goodness: For a decadent touch, mix in 1/2 cup of your favorite chocolate chips (vegan-friendly, if needed), cacao nibs for a bitter contrast, or finely chopped chocolate. You can also add 1 to 2 tablespoons of unsweetened cocoa powder for a chocolate-flavored square.
Extra Coconut Boost: To amplify the tropical flavor, stir in 1/4 to 1/2 cup of unsweetened shredded coconut, flake coconut, or desiccated coconut.
Nuts or Seeds: For added crunch and healthy fats (if not adhering to a nut-free diet), include 1/4 to 1/2 cup of chopped walnuts, pecans, almonds, chia seeds, green pumpkin seeds (pepitas), or sunflower seed kernels.
Extracts or Zests: Infuse aromatic notes with a teaspoon of vanilla extract, almond extract, or the zest of a lime, lemon, or orange. These add a bright, fresh dimension.
Protein Power: Boost the protein content by stirring in a generous scoop (about 1/4 cup) of your favorite plant-based protein powder. Adjust liquid slightly if the batter becomes too thick.
Warm Spices: Introduce comforting flavors with a teaspoon of ground cinnamon, ginger, or pumpkin pie spice. A 1/2 teaspoon of ground nutmeg also works beautifully.
Nut or Seed Butter Swirl: Before baking, swirl or gently stir in 1/4 cup of peanut butter, almond butter, pumpkin seed butter, or sunflower seed butter for added richness and flavor complexity. This creates delicious pockets of creamy goodness.

Serving Suggestions for Maximum Enjoyment

While these coconut baked oatmeal squares are incredibly satisfying on their own, a few simple additions can elevate them to new heights. For a truly classic and comforting combination, I can’t recommend enough pairing them with a generous spread of peanut butter and a dollop of your favorite jam. Slather it on like you’re frosting a cake – you deserve it! Beyond this delightful duo, consider:

A drizzle of maple syrup or agave nectar.
A sprinkle of fresh berries or sliced banana.
A dollop of vegan yogurt or coconut whipped cream.
A dusting of cinnamon or cocoa powder.
A bowl of warm plant-based milk for a comforting breakfast bowl.

Storage and Frequently Asked Questions (FAQ)

How should I store the Easy 3-Ingredient Coconut Baked Oatmeal Squares?

Once completely cooled, store your baked oatmeal squares in an airtight container in the refrigerator for up to 3 days. For longer storage, they freeze beautifully for up to six months. To enjoy from the freezer, simply thaw them overnight in the refrigerator or reheat directly from frozen. Re-warm squares for 30 to 45 seconds in the microwave, or enjoy them cold directly from the fridge for a quick snack.

Can I use quick oats in the recipe?

Yes, quick-cooking oats can be used as a substitute for old-fashioned rolled oats. While I personally prefer the more substantial, toothsome texture that rolled oats provide in these squares, quick oats will work well too, offering a slightly softer consistency. The cooking time might vary slightly, so keep an eye on them during the last few minutes of baking.

Is there a substitute for lite coconut milk?

Absolutely! Other varieties of plant-based milk can be used in place of lite coconut milk, such as almond milk, hemp milk, soy milk, or oat milk. However, be aware that these milks are typically lower in fat than coconut milk. If you opt for a low-fat milk, you might want to add about 2 tablespoons (or more, to taste) of a fat of your choice (like coconut oil, avocado oil, or olive oil) to the blender in step 2. This will help compensate for the missing fat, ensuring your squares remain moist and flavorful.

What can I use in place of coconut sugar?

An equal amount of brown sugar, maple syrup, or agave nectar can be used as direct substitutes for coconut sugar. If you are not following a vegan diet, 1/4 cup of honey can also be used, providing a distinct flavor profile.

What can I use in place of oats in the recipe?

For an oat-free alternative, an equal volume of quinoa flakes or millet flakes can be used. These options offer a similar texture and absorbency to oats. You can often find both quinoa flakes and millet flakes through online retailers, and millet flakes may also be available in specialty Indian and Middle Eastern grocery stores.

Can I use steel-cut oats in place of rolled oats?

No, steel-cut oats have a much coarser, denser texture and require significantly more liquid and cooking time. They will not work as a direct substitute for rolled oats in this recipe and would result in an entirely different product.

More Vegan Baked Oatmeal Recipes to Try:

Zucchini Bread Baked Oatmeal {vegan, oil-free, GF}
Vegan Pumpkin Baked Oatmeal Cups {oil-free, gluten-free}
Peanut Butter Banana Baked Oatmeal {vegan, oil-free, GF}
Vegan Baked Oatmeal Cups {oil-free, GF)
Overnight Oatmeal Cookies {vegan, gluten-free, oil-free}
Vegan Oatmeal Raisin Protein Cakes {oil-free, gluten-free}
Banana Chia Overnight Oats (vegan, gluten-free)

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4.65 from 17 votes

Coconut Baked Oatmeal (3 Ingredients, V, GF, Oil-Free)

By: Camilla

Easy 3-Ingredient Coconut Baked Oatmeal Squares are perfect for breakfasts & snacks! They are vegan, gluten-free, nut-free, oil-free and only 155 calories per serving.

Prep Time: 5 minutes

Cook Time: 45 minutes

Total Time: 50 minutes

Servings: 9 squares

Ingredients

3 cups old-fashioned rolled oats, divided use, (certified GF, as needed)
1 can (13.5 oz) lite coconut milk, (or full fat coconut milk)
1 cup water
1/3 cup coconut sugar, or sweetener of choice (see notes)
Optional: 1/4 teaspoon salt

US Customary – Metric

Instructions

Preheat the oven to 350F (180C). Line a 9-inch (22.5 cm) square baking pan with foil; spray with nonstick cooking spray or lightly oil/grease.
In a blender or food processor, process 1 cup of the oats with the coconut milk, water, sugar and salt until smooth.
Arrange the remaining oats in an even layer in the prepared pan; slowly pour in the coconut milk-oat mixture. Use a spatula to gently combine and evenly distribute the batter in the pan.
Bake in the preheated oven for 43 to 45 minutes until set at the center, crispy at the edges and golden brown. For extra crispy edges/golden color, turn the oven to broil (high) and broil for 1-2 minutes.
Transfer to a wire rack and cool for at least 10 minutes before removing from pan and cutting into 9 squares.
Serve warm (plain or with any toppings you like, such as nut butter, jam, fruit, or in a bowl with milk) or cool completely!

Notes

Storage: Store the completely cooled squares in an airtight container in the refrigerator for up to 3 days or the freezer for up to 6 months. Re-warm for 30 to 45 seconds in the microwave or enjoy cold!

Milk substitutions: Other varieties of milk can be used in place of the lite coconut milk. For example, almond milk, hemp milk, soy milk, or oat milk. However, if the milk is low in fat, you may want to add about 2 tablespoons or more of the fat of your choice (e.g., coconut oil, avocado oil, olive oil) to the blender in step 2 to make up for the missing fat.

Nutrition