Cozy Blackberry Baked Oatmeal (Meal-Prep Friendly!)

Name: Healthy & Easy Blackberry Baked Oatmeal
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Cuisine: American
Ingredients: 2 cups rolled oats; 1 teaspoon baking powder; Scant 1/2 teaspoon fine salt; 1 1/2 cups milk of choice; 1 large egg; 1/4 cup pure maple syrup; 1 tablespoon butter or coconut oil, melted and cooled slightly; Juice and zest of 1 lemon; 1 teaspoon vanilla extract; 1 cup fresh blackberries; 1/4 cup sliced almonds

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This blackberry baked oatmeal is the perfect make-ahead breakfast or weekend morning brunch! It's cozy and nutrient-packed, with only 10 minutes of hands-on time, and the oven does the rest.

Slice of blackberry baked oatmeal on small plate with fork.

Sooo... I almost set my kitchen on fire making this blackberry baked oatmeal—but don’t worry! Everyone is okay, and the recipe is totally safe (and so, so good).

If you’re looking for an easy, meal-prep-friendly breakfast that actually keeps you full, this one’s for you. It’s made in just one bowl, includes plant-based ingredients, and perfect for baking ahead and reheating all week. We love it as a nourishing weekday breakfast for kiddos before school, and it's equally perfect for a slow weekend morning! That, and the juicy blackberries and lemon zest make it feel like such a treat—without the sugar crash. Let’s bake!

P.S. A lot of oatmeal bakes contain banana, but this one is made without!

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Key Ingredients & Notes
How to Make This Baked Oatmeal
Sustainability Tips
Blackberry Oatmeal Bake FAQ
More Easy Oatmeal Recipes
📖 Recipe

Key Ingredients & Notes

Blackberries - This recipe calls for fresh blackberries, but feel free to use frozen if that's more accessible for you! No need to thaw.
Whole rolled oats - These are the best kind of oats to use for this recipe. Save the steel cut for this stovetop steel cut oats base recipe.
Lemon - Lemon and blackberry are a flavor match made in heaven! To get the most flavor out of the lemon, we'll be using both zest and juice.
Milk - Use your favorite kind! Plant-based and dairy milk both work great here.
Maple syrup - Use honey or agave to sweeten instead, if desired.

Please see the recipe card for full ingredients list & quantities.

How to Make This Baked Oatmeal

Dry oats, baking power, and salt in baking dish.

Step 1: Preheat your oven to 350 degrees and place an oven rack in the center. Grease an 8x8 square or 8-inch round baking dish with a bit of butter or coconut oil. Place oats, baking powder, and salt in the baking dish and stir.

Stir baked oatmeal base ingredients together in baking dish.

Step 2: In a separate bowl, whisk together the egg, milk, maple syrup, vanilla extract, lemon juice and zest, and melted + cooled coconut oil. Pour directly into the oat mixture in the baking dish, and mix.

Stirring and smooshing blackberries into oat mixture.

Step 3: Add in blackberries, folding them underneath the oats and smooshing some down.

Blackberry oatmeal bake in square baking dish.

Step 4: Sprinkle sliced almonds across the top of the oats, and bake at 350 degrees for 35-40 minutes. When done, the oats will be set (nothing jiggly) and fragrant. Allow to cool for 5-10 minutes, then slice and serve! We love an extra scoop of yogurt, almond butter, or maple syrup drizzled on top.

Pro tip: If you're not feeling like you don't want to dirty up a dish or pot just to melt a tiny bit of coconut oil, you don't need to! Olive oil or avocado oil work great, and you can just pour and mix in right away.

By the way, did you know baked oats can be delicious with veggies too?? Try this delicious and warmly spiced carrot cake baked oatmeal next!

Sustainability Tips

Blackberry season - Blackberries are typically in season in summer months, so fresh blackberries are best during that time. In the off-season, frozen blackberries (which are frozen at peak freshness) are a great alternative!
Storing blackberries plastic-free - For long-lasting fresh blackberries, store them in a single layer in the coolest part of your refrigerator. Either a paper bag or a glass container will work. Blackberries go bad quickly when wet, so wait to wash until right before use. Sometimes I line my container with a reusable paper towel to help absorb any moisture!
Used lemon rinds for cleaning - Before you throw away your juiced and zested lemon, WAIT. Let's get the most out of this lemon that we can! Sprinkle a bit of baking soda onto the fruit of the lemon, then scrub your sink with it. It'll fizz up and do an amazing job cleaning (and smelling fresh)!
Bulk bins - Do you have access to a store with bulk pantry items? Try buying your oats and almonds from there to reduce plastic packaging! Make sure you grab enough oats to make some strawberry shortcake overnight oats or any of our overnight oats recipes next... yum!

Blackberry Oatmeal Bake FAQ

How do I store blackberry baked oatmeal?

After allowing the oatmeal bake to cool, cut into slices and store in an airtight container in the fridge.

Can I freeze this oatmeal bake?

Yes, and we LOVE freezing ours! I slice mine into squares and line them with parchment paper in a glass, airtight container (the parchment paper helps keep them from sticking). Before we leave for school drop-off in the morning, I pop a frozen square in the air fryer and it's ready for my partner's kiddo to enjoy for a nourishing before-school breakfast.

More Easy Oatmeal Recipes

If you love oats for breakfast, try one of our other oatmeal recipes! From cold overnight oats to a warm pot of steel cut oats, we've got oatmeal for every season.

Did you make this blackberry oatmeal bake? Don't forget to leave a star rating 🌟 and comment below, and tag me on Instagram and Pinterest so I can see what you made!