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Baked Oatmeal with Berries (Better Than Cereal!)

Published:June 12, 2025 By Lila Category:

Baked Oatmeal with Berries is about to become your Sunday night game-changer! Forget standing over the stove every morning – this magical breakfast bake does ALL the work while you sleep.

Picture this: prep one pan Sunday, get five days of baked oatmeal with berries that taste like berry crisp but are secretly healthy! We’re talking warm, custardy goodness studded with juicy berries that literally tastes like dessert for breakfast.

Baked oatmeal with berries in a white ceramic dish with fresh fruit and coconut

The best part? This baked oatmeal with frozen berries feeds a bunch and works year-round. Whether you’re meal prepping or hosting brunch, this baked oatmeal with berries recipe is your new secret weapon.

Ready to become the breakfast hero of your household? Let’s dive in!

Table of Contents

Why Baked Oatmeal with Berries is Your New Breakfast Hero

Let me tell you why this baked oatmeal with berries is literally changing breakfast game everywhere!

First off, it’s like having a personal breakfast chef who works while you sleep. You spend 10 minutes Sunday evening mixing everything together, pop it in the oven, and BAM – you’ve got baked oatmeal with berries sorted for the entire week!

This isn’t your sad, mushy stovetop oatmeal. We’re talking about a custardy, almost cake-like texture that’s crispy on top and perfectly creamy inside. It’s like berry cobbler and baked oatmeal with berries had the most delicious baby ever!

The magic happens because we’re baking instead of stirring. The eggs create that amazing custard-like texture, while the oats get perfectly tender without any babysitting required. Plus, your whole house smells like a bakery – definitely a win!

Mixing oats for baked oatmeal with berries and fresh ingredients

Essential Ingredients for Perfect Baked Oatmeal with Berries

Here’s what you need to create breakfast magic (and trust me, you probably have most of this already!):

The Oatmeal Base:

  • 2 cups old-fashioned oats (don’t use quick oats – they get mushy!)
  • 1/3 cup brown sugar (adds that cozy sweetness)
  • 1 teaspoon baking powder (to get the right rise)
  • 1/2 teaspoon cinnamon (because everything’s better with cinnamon)
  • 1/2 teaspoon salt (trust me on this one!)

The Creamy Magic:

  • 2 cups milk (any kind works – dairy, almond, oat milk)
  • 1 large egg (this creates the custard texture)
  • 3 tablespoons melted butter
  • 1 teaspoon vanilla extract

The Star Players:

  • 1 1/2 cups mixed berries (fresh or frozen – we’ll talk about this!)
  • Optional: 1/2 cup nuts (chopped), additional berries for sprinkling on top

Now, about those berries! Baked oatmeal with frozen berries can actually work even better than fresh ones in baked oatmeal. Frozen berries hold their shape perfectly and don’t make your oatmeal soggy. Plus, they’re available year-round and often more budget-friendly. Win-win!

Unbaked oatmeal with berries in white ceramic baking dish

How to Make Baked Oatmeal with Berries (Step-by-Step)

Okay friends, this is where the magic happens! Don’t worry – if you can mix ingredients in a bowl, you’ve got this!

Prep Your Ingredients (5 Minutes)

Heat your oven to 350°F and grease a 9×13 inch baking dish. Just grab some butter or cooking spray – whatever’s easiest for you!

Here’s a pro tip: let your ingredients come to room temperature for about 15 minutes. It’s not make-or-break, but it helps everything blend together beautifully.

Mix and Combine

Get out your biggest bowl and mix the cinnamon, salt, brown sugar, oats, and baking powder together! Give everything a good stir to make sure all those dry ingredients are perfectly blended.

In a separate bowl, whisk your milk, egg, melted butter, and vanilla together. Keep it simple here – just mix everything until it’s well blended and has that smooth, creamy texture you’re looking for!

Fold the liquid mixture gently among the dry ingredients. Just mix until everything comes together – overdoing it will make your oatmeal chewy instead of tender (and trust me, you don’t want that!)

Fold in about 1 cup of your berries, saving some for the top because they look gorgeous and taste amazing

Bake to Perfection

Arrange everything in your ready-made baking dish then top with those last berries. Bake for 35-40 minutes until you see that gorgeous golden-brown color and it’s nicely set throughout.

You’ll know it’s perfect when a knife poked in the center comes out nearly clean. The heavenly smell will draw your whole family to the kitchen like magic!

Pro Tips for the Best Baked Oatmeal with Frozen Berries

Let’s talk about why frozen berries are actually genius for this recipe! First, they don’t release as much juice during baking, so you won’t end up with soggy spots. Second, they’re pre-washed and ready to go – talk about convenience!

Here’s my favorite trick: don’t thaw frozen berries before using them. Toss them straight from the freezer into your mixture. They’ll thaw and release just the right amount of juice during baking.

Want that perfect golden top? Sprinkle a little extra brown sugar and oats on top before baking. It forms a deliciously crispy top that’s hard to resist!

Close-up of baked oatmeal with berries and coconut in white ceramic dish

Delicious Variations to Try

Once you master the basic recipe, the world is your oatmeal oyster! Here are my favorite twists:

Baked Oatmeal with Bananas and Berries

Add 1 sliced banana to your berry mixture for extra sweetness and that amazing banana-berry combo. The bananas get all caramelized and delicious – it’s like banana bread meets berry crisp!

Oatmeal Breakfast Bake with Berries and Almonds

Stir in 1/2 cup sliced almonds for extra crunch and protein. Toast them for 2-3 minutes first if you’re feeling fancy (but honestly, straight from the bag works too!).

Some other things you could add are chia seeds, a handful of coconut flakes, or even dark chocolate chips for treats on the weekend!

Storage and Reheating Your Berry Oatmeal Bake

This is where the meal prep magic really shines! Your baked oatmeal with berries will keep in the fridge for up to 5 days covered.

To reheat, microwave single servings for 60-90 seconds, or pop the entire pan back in a 350°F oven for around 15 minutes. This baked oatmeal with berries recipe tastes just as amazing as day one!

Pro tip: portion it out into individual containers Sunday night for grab-and-go breakfasts all week. You’ll be grateful on those busy mornings when you need something quick!

More Breakfast Recipes You’ll Love

There you have it, friends – your new favorite baked oatmeal with berries that’s going to make mornings so much easier! This recipe is super forgiving, so don’t stress if it’s not perfect.

I can’t wait for you to try this and become the breakfast hero of your household.


Frequently Asked Questions

Can I make this dairy-free?

Absolutely! Use your favorite plant milk and coconut oil instead of butter. It’s just as delicious!

What if I don’t have berries?

Try diced apples with extra cinnamon, chopped peaches, or even dried fruit. The recipe is super forgiving!

Can I prep this the night before?

Absolutely! Just layer everything in your baking dish, cover it up, and pop it in the fridge overnight. You’ll need to add about 5-10 extra minutes to the baking time since it’s going in cold!

Baked oatmeal with berries in a white ceramic dish with fresh fruit and coconut

Baked Oatmeal with Berries

Lila
This Baked Oatmeal with Berries is your new Sunday night meal prep superhero! Think berry crisp meets cozy oatmeal in one warm, custardy, and totally make-ahead breakfast bake. Juicy berries, hearty oats, and a golden top that reheats like a dream—it’s like having dessert for breakfast all week long.
Prep Time 10 minutes
Cook Time 40 minutes
Total Time 50 minutes
Course Breakfast, Brunch, Meal Prep
Cuisine American
Servings 8 Servings
Calories 220 kcal

Equipment

  • Mixing bowls
  • 9×13-inch baking dish
  • Whisk
  • Oven

Ingredients
  

  • 2 cups old-fashioned oats
  • 1/3 cup brown sugar
  • 1 teaspoon baking powder
  • 1/2 teaspoon cinnamon
  • 1/2 teaspoon salt
  • 2 cups milk dairy or plant-based
  • 1 large egg
  • 3 tablespoons melted butter
  • 1 teaspoon vanilla extract
  • 1 1/2 cups mixed berries fresh or frozen
  • Optional: 1/2 cup chopped nuts
  • Optional: Extra berries for topping

Optional:

  • ¼  cup sliced raw almonds (not slivered)
  • ¼ cup unsweetened shredded coconut

Instructions
 

  • Preheat your oven to 350°F and grease a 9×13-inch baking dish.
  • In a large bowl, whisk together oats, brown sugar, baking powder, cinnamon, and salt.
  • In a separate bowl, whisk together milk, egg, melted butter, and vanilla extract.
  • Pour the wet ingredients into the dry ingredients and stir until just combined.
  • Fold in 1 cup of the berries, reserving the rest for topping.
  • Pour the mixture into the prepared baking dish and sprinkle remaining berries on top.
  • Bake for 35–40 minutes, or until the top is golden and a knife inserted in the center comes out mostly clean.
  • Let cool slightly before serving.

Notes

Use frozen berries straight from the freezer—no thawing needed!
Make it dairy-free by using almond/oat milk and coconut oil instead of butter.
Add sliced bananas, almonds, or chocolate chips for fun variations.
To prep ahead: assemble the night before and bake in the morning (add 5-10 minutes to baking time).

Nutrition

Calories: 220kcalCarbohydrates: 32gProtein: 5gFat: 8gFiber: 4gSugar: 10g
Keyword baked oatmeal, berry oatmeal bake, meal prep breakfast, frozen berry recipe, oatmeal bake
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