Rich Baked Brownie Oatmeal

If you ask me, baked oatmeal is one of the smartest breakfast ideas out there.

This chocolatey version tastes like eating brownies for breakfast, but it’s actually packed with wholesome oats and natural sweetness from maple syrup. The cocoa powder gives it that rich, deep chocolate flavor while keeping things simple.

It comes together in one bowl with basic ingredients you probably already have in your pantry. Just mix, pour into a baking dish, and let the oven do its thing.

It’s a crowd-pleaser that works for busy weekday mornings or lazy weekend brunches, and it keeps well for meal prep too.

What Kind of Oats Should I Use?

For this baked brownie oatmeal, old-fashioned rolled oats are your best bet since they hold their shape and give you a nice chewy texture. Quick oats will work in a pinch, but they’ll create a softer, more cake-like consistency that might be a bit mushier than you’d want. I’d steer clear of steel-cut oats for this recipe since they won’t soften enough during baking and you’ll end up with a crunchy, undercooked texture. If you need a gluten-free option, just make sure to grab certified gluten-free oats since regular oats are often processed in facilities that handle wheat.

Options for Substitutions

This recipe is pretty forgiving and works well with a few simple swaps:

• Oats: Stick with regular rolled oats or quick oats for this one – they’re what give this dish its texture. Steel-cut oats won’t work here since they need more liquid and longer cooking time.
• Coconut oil: If you’re not a fan of coconut oil, melted butter or any neutral oil like vegetable or canola oil works just fine. The texture will be the same.
• Applesauce: You can use mashed banana instead of applesauce, though it will add a slight banana flavor. Greek yogurt also works if you want a bit more protein.
• Maple syrup: Honey is a great substitute here, or you can use agave nectar if that’s what you have on hand. The sweetness level will be similar.
• Eggs: For each egg, you can use 1 flax egg (1 tablespoon ground flaxseed mixed with 3 tablespoons water, let sit for 5 minutes) if you need an egg-free version.
• Chocolate chips: Feel free to use dark chocolate chips, milk chocolate, or even chopped nuts if you want to skip the extra chocolate. You could also add dried fruit like cranberries or raisins.

Watch Out for These Mistakes While Baking

The biggest mistake with baked oatmeal is overbaking, which turns it dry and crumbly instead of moist and fudgy – start checking at 17 minutes and remove it when the edges are set but the center still looks slightly underdone, as it will continue cooking while cooling.

Another common error is skipping the cooling time, but letting your brownie oatmeal rest for at least 10 minutes allows it to firm up and makes slicing much cleaner and easier.

To get the best texture, make sure your coconut oil is melted but not hot when you mix it with the eggs, since hot oil can scramble the eggs and create an uneven batter.

For extra chocolatey results, reserve a few chocolate chips to press on top right before baking, and if you want a richer flavor, try using dark cocoa powder instead of regular.

What to Serve With Baked Brownie Oatmeal?

This brownie oatmeal is pretty filling on its own, but I love adding a dollop of Greek yogurt on top for some extra protein and a nice tangy contrast to the chocolate. Fresh berries like raspberries or sliced strawberries are another great addition since they cut through the richness and add a pop of freshness. If you want to make it feel more like dessert for breakfast, a drizzle of peanut butter or almond butter takes it to the next level. You could also serve it with a side of scrambled eggs if you want a more balanced breakfast that’ll keep you full until lunch.

Storage Instructions

Store: Keep your brownie oatmeal in an airtight container in the fridge for up to 5 days. It actually tastes great cold straight from the fridge, or you can warm it up for a cozy breakfast. I like to cut it into squares so I can grab a piece whenever I need a quick breakfast or snack.

Freeze: This freezes really well for meal prep! Cut it into individual portions and wrap each piece in plastic wrap, then store in a freezer bag for up to 3 months. It’s perfect for those mornings when you need something ready to go.

Reheat: Warm it up in the microwave for about 30-45 seconds, or pop it in the oven at 350°F for about 10 minutes if you’re reheating from the fridge. From frozen, just add an extra minute or two in the microwave. It gets all warm and gooey again, almost like it just came out of the oven.

Estimated Nutrition

Estimated nutrition for the whole recipe (without optional ingredients):

• Calories: 1260-1380
• Protein: 22-26 g
• Fat: 48-55 g
• Carbohydrates: 200-216 g

Ingredients

• 1.5 cups oats (I always use Quaker Old Fashioned for the best chewy texture)
• 3/4 cup cocoa (I like Hershey’s Special Dark for a richer chocolate flavor)
• 1/2 tsp salt
• 2 eggs (room temperature, about 70°F)
• 1/4 cup coconut oil
• 1/4 cup applesauce
• 1/2 cup maple syrup
• 1 teaspoon vanilla extract
• 1/4 cup chocolate chips (optional but recommended for extra richness)

Step 1: Prepare the Oven and Mise en Place

• 1.5 cups oats
• 3/4 cup cocoa
• 1/2 tsp salt
• 2 eggs
• 1/4 cup coconut oil
• 1/4 cup applesauce
• 1/2 cup maple syrup
• 1 teaspoon vanilla extract
• 1/4 cup chocolate chips

Preheat your oven to 350°F and line an 8×8 inch baking dish with parchment paper or lightly grease it.

While the oven preheats, measure out all your ingredients and set them nearby—this ensures smooth assembly once you start mixing.

I like to have my eggs at room temperature before starting, as they incorporate more evenly into the batter and create a better texture.

Step 2: Mix the Dry Ingredients

• 1.5 cups oats
• 3/4 cup cocoa
• 1/2 tsp salt

In a medium bowl, whisk together the oats, cocoa powder, and salt until evenly combined.

This distributes the cocoa throughout the oats so you get consistent chocolate flavor in every bite, rather than pockets of cocoa-heavy or cocoa-light areas.

Step 3: Combine the Wet Ingredients

• 2 eggs
• 1/4 cup coconut oil
• 1/4 cup applesauce
• 1/2 cup maple syrup
• 1 teaspoon vanilla extract

In a separate bowl, whisk together the eggs, coconut oil, applesauce, maple syrup, and vanilla extract until well blended and smooth.

The applesauce acts as a binder and adds moisture while reducing excess oil, creating a fudgy texture rather than a greasy one.

I find that whisking vigorously for about 30 seconds ensures the oil fully incorporates rather than pooling.

Step 4: Combine Wet and Dry, Add Chocolate Chips

• dry ingredient mixture from Step 2
• wet ingredient mixture from Step 3
• 1/4 cup chocolate chips

Pour the wet ingredient mixture from Step 3 into the bowl with the dry ingredients from Step 2, stirring until just combined—don’t overmix, as this can make the oatmeal tough.

Fold in the chocolate chips if using, distributing them evenly throughout the batter.

The batter will be thick and chunky, which is exactly what you want.

Step 5: Bake Until Set and Fudgy

• batter from Step 4

Pour the batter into your prepared baking dish and spread it into an even layer.

Bake for 17-20 minutes, until the edges look set and slightly firm but the center still has a little give when you gently press it—this residual heat will continue cooking it as it cools, keeping it fudgy rather than cake-like.

The top should look matte and slightly cracked.

Step 6: Cool and Serve

Remove from the oven and let cool in the pan for 10-15 minutes before cutting into squares.

This resting time allows the oatmeal to set up just enough to slice cleanly.

Serve warm or at room temperature with your favorite toppings like chocolate drizzle, whipped cream, or a drizzle of nut butter.

Rich Baked Brownie Oatmeal

Delicious Rich Baked Brownie Oatmeal recipe with step-by-step instructions.

Print Recipe Pin Recipe

Prep Time 10 minutes mins

Cook Time 20 minutes mins

Total Time 30 minutes mins

Servings: 4 servings

Calories: 1320

Ingredients Method

Ingredients

  

• 1.5 cups oats (I always use Quaker Old Fashioned for the best chewy texture)
• 3/4 cup cocoa (I like Hershey's Special Dark for a richer chocolate flavor)
• 1/2 tsp salt
• 2 eggs (room temperature, about 70°F)
• 1/4 cup coconut oil
• 1/4 cup applesauce
• 1/2 cup maple syrup
• 1 teaspoon vanilla extract
• 1/4 cup chocolate chips (optional but recommended for extra richness)

Method

 

1. Preheat your oven to 350°F and line an 8x8 inch baking dish with parchment paper or lightly grease it. While the oven preheats, measure out all your ingredients and set them nearby—this ensures smooth assembly once you start mixing. I like to have my eggs at room temperature before starting, as they incorporate more evenly into the batter and create a better texture.
2. In a medium bowl, whisk together the oats, cocoa powder, and salt until evenly combined. This distributes the cocoa throughout the oats so you get consistent chocolate flavor in every bite, rather than pockets of cocoa-heavy or cocoa-light areas.
3. In a separate bowl, whisk together the eggs, coconut oil, applesauce, maple syrup, and vanilla extract until well blended and smooth. The applesauce acts as a binder and adds moisture while reducing excess oil, creating a fudgy texture rather than a greasy one. I find that whisking vigorously for about 30 seconds ensures the oil fully incorporates rather than pooling.
4. Pour the wet ingredient mixture from Step 3 into the bowl with the dry ingredients from Step 2, stirring until just combined—don't overmix, as this can make the oatmeal tough. Fold in the chocolate chips if using, distributing them evenly throughout the batter. The batter will be thick and chunky, which is exactly what you want.
5. Pour the batter into your prepared baking dish and spread it into an even layer. Bake for 17-20 minutes, until the edges look set and slightly firm but the center still has a little give when you gently press it—this residual heat will continue cooking it as it cools, keeping it fudgy rather than cake-like. The top should look matte and slightly cracked.
6. Remove from the oven and let cool in the pan for 10-15 minutes before cutting into squares. This resting time allows the oatmeal to set up just enough to slice cleanly. Serve warm or at room temperature with your favorite toppings like chocolate drizzle, whipped cream, or a drizzle of nut butter.