Baked Blackberry Oatmeal

Name: Baked Blackberry Oatmeal
Prep time: 10 min
Cook time: 35 min
Total time: 45 min
Ingredients: 1¼ cups milk; 2 eggs; ⅓ cup pure maple syrup; ¼ cup unsweetened applesauce; 2 tbsp melted butter/neutral oil; 1 tsp vanilla extract; 2 cups old-fashioned rolled oats; 1 tsp baking powder; 1 tsp ground cinnamon; ¼ tsp salt; 1½ cups blackberries (reserve a few to sprinkle on top)

By Lily Payen

on Jul 11, 2026

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This baked blackberry oatmeal is soft, cozy, and bursting with juicy blackberries in every bite. Naturally sweetened with maple syrup and made with wholesome ingredients, this easy breakfast is perfect for meal prep, busy mornings, or a make-ahead breakfast the whole family will love.

Blackberry baked oats served with strawberries and yogurt. — Screenshot

This baked blackberry oatmeal has quickly become one of those recipes I love having ready in the fridge or freezer for busy mornings. It has the perfect balance of soft, creamy oats and juicy bursts of blackberry flavor, and it’s sweet enough to feel like a treat while still being made with wholesome ingredients. I love serving it warm with a little yogurt or nut butter, but it’s also delicious straight from the fridge for an easy grab-and-go breakfast. Since it freezes so well, you can make a batch once and have an easy breakfast option ready whenever you need it.

If you love easy make-ahead breakfasts, be sure to also try these blueberry muffin tops, cheddar bagels, and mini egg style waffles for more freezer-friendly breakfast ideas.

What You’ll Need
Ingredient Substitutions & Additions
Step-by-Step Instructions
Storage Instructions
Tips For Success
Recipe FAQs
Other Oat Recipes You’ll Love
Baked Blackberry Oatmeal Recipe

What You’ll Need

Here is what you’ll need to make this blackberry baked oatmeal:

Ingredients to make blackberry baked oatmeal.

Old-Fashioned Rolled Oats: The base of the recipe. Rolled oats create the perfect soft yet hearty texture. Avoid using quick oats or steel-cut oats, as they bake differently.
Blackberries: Fresh or frozen blackberries both work well. If using frozen, there’s no need to thaw them before adding them to the batter.
Milk: Whole milk creates a rich, creamy texture, but any milk of choice works well.
Eggs: Help bind the oatmeal together while adding protein and structure.
Maple Syrup: Naturally sweetens the oatmeal without using refined sugar.
Applesauce: Adds moisture while helping keep the oatmeal soft and tender.
Butter: Adds richness and flavor. Melted coconut oil or another neutral oil can also be used.
Vanilla Extract: Adds warmth and enhances the overall flavor.
Baking Powder: Gives the oatmeal a slightly lighter, fluffier texture.
Ground Cinnamon/Salt: Adds warmth and balances sweetness.

See the recipe card below for full information on ingredients and quantities.

Ingredient Substitutions & Additions

Milk: Any milk works well, including dairy-free options like oat, almond, or soy milk.
Eggs: To make this egg-free, replace each egg with a flax egg. Mix 1 tablespoon ground flaxseed with 3 tablespoons water per egg and let sit for 5–10 minutes before using.
Butter: Swap with melted coconut oil, avocado oil, or another neutral-flavored oil.
Maple Syrup: Honey can be substituted for children over 1 year old.
Blackberries: Fresh or frozen berries both work well. You can also substitute blueberries, raspberries, diced strawberries, or a mixed berry blend.
Add Some Crunch: Sprinkle chopped pecans, walnuts, or sliced almonds over the top before baking.

Step-by-Step Instructions

STEP 1: Preheat the oven to 350°F (180°C). Lightly grease an 8 x 8-inch baking dish or line it with parchment paper.

STEP 2: In a large bowl, whisk together the milk, eggs, maple syrup, applesauce, melted butter, and vanilla extract until smooth (Images 1 & 2).

STEP 3: Add the rolled oats, baking powder, cinnamon, and salt. Stir until everything is evenly combined (Images 3 & 4).

STEP 4: Let the mixture rest for 5 minutes so the oats can begin absorbing the liquid.

STEP 5: Gently fold in the blackberries (reserve a few to sprinkle on top) (Images 5 & 6). Pour the mixture into the prepared baking dish and spread it into an even layer. Sprinkle the remaining blackberries on top (Image 7).

STEP 6: Bake for 35 minutes, or until the edges are lightly golden and the center is just set (Image 8). The center may still have a slight jiggle but will continue to firm up as it cools. Let cool for 10–15 minutes before slicing and serving.

Storage Instructions

Allow the baked oatmeal to cool completely before storing. Cover the baking dish or transfer slices to an airtight container and refrigerate for up to 5 days. To freeze, wrap individual portions or place them in a freezer-safe container and freeze for up to 3 months. Thaw overnight in the refrigerator or reheat directly from frozen in the microwave until warmed through.

Tips For Success

Let the oatmeal mixture rest for 5 minutes before baking. This helps the oats soak up some of the liquid for a softer, creamier texture.
If using frozen blackberries, do not thaw them before adding them to the batter. Feel free to swap this with your favorite berries like blueberries or raspberries, or add in some chocolate chips for an extra sweet treat!
For cleaner slices, allow the baked oatmeal to cool for at least 10–15 minutes before cutting.
Serve warm with a drizzle of maple syrup, a dollop of Greek yogurt, or a spoonful of nut butter for a filling breakfast.

Recipe FAQs

Can I use frozen blackberries?

Yes! Frozen blackberries work well. Add them straight from the freezer without thawing to prevent excess moisture.

Can I use quick oats or steel-cut oats?

I don’t recommend using quick oats because it will result in a much softer, less structured baked oatmeal, while steel-cut oats require different liquid amounts and baking times.

Can I swap the maple syrup with mashed banana?

Yes! You can replace the maple syrup with ½ cup mashed ripe banana (about 1 medium banana). Use a very ripe banana with brown spots for the best natural sweetness. Keep in mind that the banana will add a mild banana flavor and make the baked oatmeal slightly softer and less sweet than the maple syrup version.