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Easy Baked Oatmeal Recipe

Published: Apr 26, 2026 by Chef Ava · This post may contain affiliate links · Leave a Comment

Jump to Recipe· 4.1 from 5 reviews

If you’re looking for a wholesome, comforting breakfast that comes together with minimal fuss, look no further than this Easy Baked Oatmeal Recipe. It’s a warm, satisfying dish packed with hearty oats, naturally sweet bananas, and a touch of cinnamon that fills your kitchen with the most inviting aroma. Whether you’re cooking for a busy weekday morning or a relaxing weekend brunch, this recipe delivers that perfect balance of creamy, chewy, and crunchy textures to start your day on a cozy note.

Ingredients You'll Need

A white rectangular dish filled with a thick layer of oatmeal mixed with pieces of nuts and small bits of fruit, all soaked in a creamy light brown liquid that coats the oats evenly. The texture looks soft and slightly lumpy with visible oat flakes spread throughout, resting on a white marbled surface. photo taken with an iphone --ar 4:5 --v 7

Gathering simple, everyday ingredients is what makes this Easy Baked Oatmeal Recipe so accessible and delicious. Each ingredient plays a crucial role in building flavor, texture, and that lovely golden color after baking.

  • 2 cups wholegrain rolled oats: The hearty base that provides chewiness and fiber to keep you full.
  • 1 teaspoon cinnamon: Adds warm spice notes that complement the natural sweetness.
  • 1 teaspoon baking powder: Helps the oats puff up lightly for a soft, tender texture.
  • ½ teaspoon salt: Balances the sweetness and enhances all flavors.
  • 1 ½ cup plant-based milk (or regular): Keeps the oatmeal moist and creamy, perfect for binding everything together.
  • 2 tablespoon agave syrup (or maple syrup): A natural sweetener that adds a gentle, floral sweetness.
  • 1 tablespoon ground flaxseed: Contributes extra nutrition and a subtle nutty flavor while helping to thicken the mixture.
  • 1 tablespoon olive oil: Brings richness and ensures the bake doesn't dry out.
  • 1 ½ teaspoon pure vanilla extract: Infuses a lovely aromatic depth to the dish.
  • 2 medium bananas (mashed, about ¾ cup): Naturally sweetens and adds moistness for a tender crumb.
  • 1 cup nuts of choice (chopped): Provides satisfying crunch and earthy flavor—walnuts, pecans, or almonds work beautifully.
  • Fresh fruit, raisins, almond flakes, or berries, yogurt (for serving): Optional toppings to elevate and personalize your baked oatmeal experience.

How to Make Easy Baked Oatmeal Recipe

Step 1: Preheat Your Oven

Begin by setting your oven to 375°F (190°C). This ensures it’s hot and ready when you finish mixing your ingredients, so you can bake the oatmeal to a perfect golden finish without delay.

Step 2: Mix the Dry Ingredients

In an 8x8-inch baking dish, combine the rolled oats, cinnamon, baking powder, and salt. Stir them together well so every bite has an even burst of that warming cinnamon spice and gentle lift from the baking powder.

Step 3: Prepare the Wet Ingredients

In a separate bowl, mash the bananas until smooth, then add the plant-based milk, agave syrup, ground flaxseed, olive oil, and vanilla extract. Mix everything thoroughly and let this mixture sit for about 5 minutes. This little rest time allows the flaxseed to absorb liquid and thicken, creating a beautifully rich texture. Don’t forget to stir in half of your chopped nuts here to disperse crunch throughout the oatmeal.

Step 4: Combine Wet and Dry Mixtures

Pour the luscious wet mixture over the mixed dry ingredients in your baking dish. Stir gently but firmly until everything is fully combined. Then fold in the remaining nuts to sprinkle pockets of crunchy goodness throughout your bake.

Step 5: Bake to Perfection

Wipe off any stray batter from the edges of the baking dish to ensure a clean, attractive crust once it’s baked. Place the dish in the oven and bake for about 30 minutes, or until the top turns a lovely golden brown and the center is set. When it’s done, sprinkle the rest of the nuts on top for a final touch of crunch and visual appeal.

How to Serve Easy Baked Oatmeal Recipe

A white rectangular ceramic dish holds a single-layer baked oatmeal with a rough texture in light brown color. The top layer is decorated with dark brown pecan halves, scattered pale beige almond slices, and bright red fresh raspberries placed evenly across the surface. The dish is set on a white marbled textured background with some oat flakes around it. Photo taken with an iphone --ar 4:5 --v 7

Garnishes

While the Easy Baked Oatmeal Recipe is fantastic on its own, adding fresh fruit like berries, raisins, or almond flakes provides vibrant colors and extra bursts of flavor that make this simple dish sing even louder. A dollop of your favorite yogurt adds creaminess and tanginess to balance the naturally sweet oats perfectly.

Side Dishes

This baked oatmeal pairs beautifully with a glass of freshly squeezed orange juice or a cup of your favorite coffee or tea to round out a wholesome breakfast spread. If you’re serving this for brunch, consider adding scrambled eggs or sautéed greens for contrast and a savory balance.

Creative Ways to Present

To impress your loved ones, try cutting the oatmeal into neat squares and serving each portion with a drizzle of maple syrup or a sprinkle of cinnamon sugar. For a playful twist, turn leftovers into oatmeal muffins by scooping baked oatmeal into a muffin tin before baking. It’s a fun way to individualize this cozy breakfast that’s perfect for on-the-go mornings.

Make Ahead and Storage

Storing Leftovers

Any leftover baked oatmeal can be stored in an airtight container in the refrigerator for up to 4 days. This makes it a brilliant option for meal prepping your breakfasts or snacks for the week. It tastes even better the next day as the flavors meld.

Freezing

If you want to keep your baked oatmeal even longer, freeze it in portions using freezer-safe containers or wraps. It will keep well for up to 3 months. Just make sure to separate servings with parchment paper so they don’t stick together.

Reheating

To reheat, simply microwave individual portions for about 1-2 minutes until warmed through or bake in a preheated oven at 350°F (175°C) for 10-15 minutes. Adding a splash of plant-based milk before reheating can help restore moisture and keep it creamy.

FAQs

Can I use gluten-free oats in this Easy Baked Oatmeal Recipe?

Absolutely! Just make sure you use certified gluten-free rolled oats if you need to avoid gluten. The texture and taste will be just as delicious.

What plant-based milk works best?

You can use any plant-based milk you prefer—almond, oat, soy, or coconut milk all work wonderfully and bring their unique flavors to the dish.

Can I add protein to this baked oatmeal?

Yes, you can mix in protein powder, chia seeds, or even a spoonful of nut butter for an extra nutrient boost and added richness.

Is it possible to make this recipe vegan?

Definitely. This Easy Baked Oatmeal Recipe is naturally vegan when you choose plant-based milk and maple or agave syrup, making it perfect for plant-based lifestyles.

How can I make this recipe sweeter if I prefer?

Feel free to add a bit more agave or maple syrup, or mix in sweeter fruits like diced apples or dried cranberries to boost the natural sweetness.

Final Thoughts

This Easy Baked Oatmeal Recipe is truly a breakfast gem that brings warmth, nutrition, and simple joy to your mornings. It’s incredibly adaptable, satisfying, and easy enough to whip up any day of the week. Give it a go—you might just find your new favorite way to start the day!

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Easy Baked Oatmeal Recipe

Easy Baked Oatmeal Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

4.1 from 5 reviews

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This Easy Baked Oatmeal is a wholesome and delicious breakfast option that's simple to prepare and perfect for meal prepping. Made with wholegrain rolled oats, mashed bananas, plant-based milk, and a mix of nuts and warm spices, this baked oatmeal is naturally sweetened with agave syrup and bursting with flavor. It’s baked until golden and set, creating a comforting and hearty dish that can be enjoyed warm with your favorite fresh fruits, nuts, or yogurt.

  • Total Time: 40 minutes
  • Yield: 9 servings

Ingredients

Dry Ingredients

  • 2 cups wholegrain rolled oats
  • 1 teaspoon cinnamon
  • 1 teaspoon baking powder
  • ½ teaspoon salt

Wet Ingredients

  • 1 ½ cups plant-based milk (or regular milk)
  • 2 tablespoons agave syrup (or maple syrup)
  • 1 tablespoon ground flaxseed
  • 1 tablespoon olive oil
  • 1 ½ teaspoons pure vanilla extract
  • 2 medium bananas, mashed (about ¾ cup when mashed)

Other Ingredients

  • 1 cup nuts of choice, chopped (e.g., almonds, walnuts, pecans)
  • Fresh fruit, raisins, almond flakes, or berries (for serving)
  • Yogurt (optional, for serving)

Instructions

  1. Preheat Oven: Preheat your oven to 375°F (190°C) to get it ready for baking the oatmeal.
  2. Mix Dry Ingredients: In an 8x8-inch baking dish, combine the rolled oats, cinnamon, baking powder, and salt, stirring them together evenly.
  3. Mix Wet Ingredients: In a separate bowl, mash the bananas thoroughly. Add the plant-based milk, agave syrup, ground flaxseed, olive oil, and vanilla extract. Stir everything and let the mixture sit for 5 minutes to thicken slightly. Optionally, add half of the chopped nuts into this wet mixture.
  4. Combine Mixtures: Pour the wet ingredients into the baking dish containing the dry ingredients. Stir gently until fully combined and evenly mixed. Then fold in the remaining chopped nuts.
  5. Bake: Wipe the edges of the baking dish clean for a neat presentation. Place in the oven and bake for 30 minutes or until the top turns golden brown and the center is fully set.
  6. Serve: Remove from the oven and garnish with the reserved nuts. Serve warm topped with fresh fruit, raisins, almond flakes, berries, or a dollop of yogurt as desired.

Notes

  • You can substitute plant-based milk with any milk of your choice including dairy or nut milk.
  • Agave syrup can be replaced with maple syrup or honey for sweetness.
  • Letting the wet mixture sit before mixing helps the flaxseed absorb liquid and improves texture.
  • Feel free to experiment with nuts such as walnuts, pecans, or almonds depending on preference.
  • For a gluten-free version, ensure the oats are certified gluten-free.
  • This baked oatmeal stores well in the refrigerator for up to 4 days and can be reheated easily.
  • Author: Chef
  • Prep Time: 10 minutes
  • Cook Time: 30 minutes
  • Category: Breakfast
  • Method: Baking
  • Cuisine: American
  • Diet: Vegetarian

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Hi and welcome to Ava’s Cooking
I'm Ava, a 27 year old chef from Marseille, France, and I'm so glad you found your way here.

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