Wholesome Blackberry Baked Oatmeal

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This blackberry baked oatmeal is a hearty, make-ahead breakfast that’s truly filling (without protein powder). Made with greek yoghurt, frozen blackberries, and coconut, it’s naturally sweet and easy to mix together for busy mornings.

Side shot of the blackberry baked oatmeal served on a plate topped with yoghurt.

Busy weeks, changing seasons… an easy, nourishing blackberry baked oatmeal has a permanent place in my breakfast rotation. It’s cozy, fruity, and the kind of breakfast that quietly sets you up for a good morning — no blender, no protein powder, no overthinking required (just maybe an extra dollop of yoghurt on top).

What makes this one special is how loaded it is. It has two full cups of blackberries folded into the oats for a jammy, tangy bite in every spoonful. I also add greek yogurt for creaminess and a little protein boost without turning it into a “protein recipe.” It’s a solid, filling breakfast with just 5 minutes of prep before the oven takes over.

Blackberry baked oatmeal sliced up in the baking dish.

Ingredients you’ll need

This blackberry baked oatmeal comes together with a handful of wholesome, nourishing ingredients:

Oats: Old-fashioned rolled oats create the hearty base. Use certified gluten-free oats if needed.
Blackberries: Fresh or frozen both work. If using frozen, don’t thaw to avoid excess moisture and colour bleeding.
Applesauce: Adds natural sweetness and keeps the texture soft and fudgy.
Eggs: Help bind everything together while adding protein and richness.
Greek yoghurt: Boosts protein and creates a soft, moist texture.
Milk: I use low-fat cow’s milk, but any milk works.
Honey: Add 1–2 tablespoons for a light sweetness, or up to ¼ cup if you prefer it sweeter.
Coconut: Unsweetened desiccated or shredded both work — use what you have.
Chia seeds: Add fibre and omega-3s to make it more filling.
Vanilla extract: Enhances the overall flavour.
Baking powder: Helps the oatmeal rise slightly in the oven.

Complete list of ingredients and amounts is located on the recipe card below.

Ingredients shown to make the baked oatmeal recipe.

How to make Blackberry Baked Oatmeal

The best part about this recipe is how easy it is — everything mixes in one dish!

Prep your pan: Preheat oven to 180°C (350°F) and generously grease an 8×8-inch baking dish with butter or cooking spray.

Mix all of the ingredients: In the baking dish add the oats, applesauce, yoghurt, eggs, coconut, chia seeds, milk, honey, vanilla baking powder. Stir to combine then let it rest for a few minutes to allow the oats to absorb some liquid.

All of the ingredients added to the baking dish.

Add the berries: fold in the blackberries until well combined, keeping a few aside to place on top before baking.

Top view of the blackberry oatmeal sprinkled with coconut before being baking.

Bake: Bake for 60 minutes, or until the edges are set and the centre is just firm. Let cool slightly, then slice and enjoy!

Ingredient Variations

Keep it dairy-free: Use coconut oil or vegan butter, and swap in a plant-based milk and yoghurt.
Add nuts or seeds: Try walnuts, almonds, or pumpkin seeds for crunch and extra nutrition.
Boost the spices: Cinnamon is classic, but nutmeg or a little ground ginger works beautifully too.
Mix up the fruit: Swap or combine berries, or add sliced banana or dried fruit.
Add extra nutrients: Stir in hemp seeds, flaxseeds, or oat bran for a fibre and omega-3 boost.
Change the sweetener: Use maple syrup, coconut sugar, or brown sugar instead of honey — just slightly reduce the liquid if needed.
Add protein: Mix in 2–3 tablespoons of your favourite protein powder to make it more filling.

Blackberry baked oatmeal in the baking dish.

How to Serve

This blackberry baked oatmeal is just as versatile as it is delicious and perfect for breakfast, snacks, or even dessert!

Greek yoghurt: One of my favourite ways to serve this is with a dollop of Greek yoghurt (or coconut/plant-based yoghurt) for extra creaminess and protein.
With milk: Pour over a splash of milk for a softer, creamier texture.
Nut butter: Drizzle or spread peanut, almond, or cashew butter for a more filling option.
Add extra sweetness: This bake is only lightly sweetened, which is perfect if you prefer a less sugary breakfast. For more sweetness, add a drizzle of honey or maple syrup, or top with extra blackberries.
With coffee or juice: Perfect as a grab-and-go breakfast alongside your morning drink.
As dessert: Serve warm with a scoop of ice cream for a more indulgent option.

How to Store

Refrigerator: Once cooled, cover and store in the fridge for 3–4 days. Reheat slices in the microwave for 30–60 seconds. For easy grab-and-go breakfasts, store individual portions in airtight containers.
Freezer: Let cool, then slice into 9 squares and wrap or store in small bags. Reheat from frozen in the microwave in 30-second intervals for 1–2 minutes. To reheat the whole oatmeal bake, cover with foil and warm in the oven at 180°C.

Recipe FAQ

Why is my baked oatmeal soggy?

Baked oatmeal can turn out soggy if there’s too much liquid, the baking dish is too small, or it hasn’t baked long enough. Frozen blackberries can also add extra moisture. For the best texture, use old-fashioned oats and let the oatmeal rest for a few minutes after baking so it can absorb any excess liquid.

How do you know when it’s done baking?

The centre should look set but still soft and slightly gooey. It usually takes around 55 minutes.

Can I add protein powder?

Yes! Sometimes I add 2 scoops of vanilla protein powder to make it extra filling. You’ll want to add an extra splash of additional milk so it doesn’t become too dry.

Side of the the baked oatmeal on a plate.

More Make-Ahead Breakfasts

Chocolate Protein Pancakes

Cottage Cheese Egg Bake

Ham & Broccolini Frittata

Broccoli Cheese Waffles

If you try this blackberry baked oatmeal recipe or have a question, please let me know! Leave a comment and rate it below. I love to hear what you think, or any changes you make.