Name: Blackberry Oatmeal Bake
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Ingredients: 3 cups old fashioned rolled oats; 2 teaspoons cinnamon; 2 teaspoons baking powder; 1/2 teaspoon salt; 1 3/4 cups 2% milk; 1 cup light brown sugar (packed); 2 eggs; 2 tablespoons butter (melted); 2 teaspoons vanilla extract; 12 ounces blackberries ((about 1 1/2 cups))

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This sweet summery blackberry oatmeal bake is a perfect healthy breakfast. With ripe juicy blackberries in every bite, this is an easy dish your whole family will love.

A side view of a white casserole dish on a marble background containing fully baked blackberry oatmeal bake. A wooden spoon lifts a scoop of oatmeal back from the dish.

Ripe juicy berries are one of the greatest delicacies of summer. This delicious blackberry baked oatmeal is one of my family’s favorite recipes for summer berries. Whole grain oats are sweetened with brown sugar, lightly spiced with cinnamon and vanilla, and baked with plump blackberries in every bite. Topped with a drizzle of honey or maple syrup, this oatmeal is the perfect way to start your day. You can make it ahead and reheat single servings all week to get you through your busy mornings!

We love to serve this oatmeal bake topped with peanut butter or greek yogurt for a boost of protein, with a green smoothie or extra berries on the side. Served warm and topped with a scoop of ice cream, this can totally pass as dessert.

For more blackberry recipes, try my blackberry balsamic vinaigrette salad dressing, delicata squash apple and blackberry salad, or blackberry strawberry banana smoothie.

Two bowls of blackberry oatmeal bake, with a dish of oatmeal bake to the side. Bowls of blackberries, honey and pecans sit to the side, along with two cups of coffee.

Ingredients

To make blackberry oatmeal bake, you need the following simple ingredients (exact measurements are in the recipe card below):

Old fashioned oats: For the best results, make sure to use old fashioned whole oats, not steel cut oats or quick oats.
Cinnamon
Baking powder
Salt
Milk: I have made this with 2% milk and skim milk with success. I haven’t tried plant-based milks, but I think oat milk, almond milk and coconut milk would all taste good in this recipe – so give them a try!
Light brown sugar, packed
Eggs
Butter, melted
Vanilla extract
Fresh blackberries: Ripe fresh berries are best for this recipe. I have used blueberries in place of blackberries, which was great. I haven’t used frozen berries, but you could certainly try it so you can have this yummy baked oatmeal any time of year. If using frozen berries, I would recommend thawing them under warm water and patting dry with a paper towel before adding them to the oatmeal – that way, they will release less water while the oatmeal bakes.

Instructions

Step One: Preheat the oven to 350 degrees F. Grease a 9×13 casserole dish with olive oil or butter.

Step Two: Add the oats, cinnamon, baking powder and salt to a large mixing bowl. Stir well to combine.

A glass bowl on a marble background containing rolled oats, topped with cinnamon, salt and baking powder.

Step Three: Melt the butter. Add the melted butter, milk, brown sugar, eggs and vanilla to a large bowl. Whisk well until the mixture is well combined and smooth.

A glass bowl on a marble background, containing whisked together egg and milk mixture for blackberry oatmeal bake.

Step Four: Pour the wet ingredients into the dry ingredients, and stir together. Add half of the blackberries, and stir them in.

A glass bowl on a marble background containing the mixed dry ingredients and wet ingredients for blackberry oatmeal bake.

A glass bowl on a marble background containing oats mixture mixed with fresh blackberries.

Step Five: Pour the oat mixture into the prepared baking dish. Smooth the oatmeal out into an even layer. Top the oatmeal with the remaining blackberries.

A white casserole dish on a marble background. The casserole dish contains the wet oat mixture for blackberry oatmeal bake, not yet baked.

A white casserole dish on a marble background. The casserole dish contains the wet oat mixture for blackberry oatmeal bake, not yet baked. The oats are topped with blackberries.

Step Six: Bake the oatmeal in the oven for approximately 30-40 minutes. The oatmeal bake is ready when the center is set, and the edges are just starting to turn golden brown.

A white casserole dish on a marble background containing fully baked blackberry oatmeal bake.

Storage

Store leftovers in an airtight container in the refrigerator for up to 5-6 days. Reheat individual portions as needed for a warm bowl of oatmeal in minutes!