Blueberry Baked Oatmeal

By Becky Hardin

Updated Jan 30, 2026

I created this Blueberry Baked Oatmeal based on the latest TikTok trend, and let me tell you, it’s all kinds of delicious. Perfect for a hearty and healthy breakfast, it comes together in minutes and bakes beautifully in the oven.

Drizzling honey onto a piece of blueberry baked oatmeal on a white plate. - 5

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5-Star Review

“Great recipe. Looking forward to serving it for an after school snack.”- Star

Blueberry Baked Oatmeal Recipe

I’m a sucker for TikTok and addicted to all of the new and exciting recipes that pop up on there! This new and delicious blueberry baked oatmeal trend has been a total hit in my house.

Studded with blueberries, sweetened with brown sugar, and loaded with old-fashioned oats, this is a wholesome and hearty breakfast. I like to make a big batch on the weekend and enjoy it throughout the week. It reheats wonderfully, making busy weekday mornings a breeze.

Ingredients1x2x3x

▢ 2¼ cups old-fashioned oats 225g
▢ ½ cup brown sugar 107g
▢ 1 tsp baking powder 4g
▢ ¼ tsp allspice
▢ 2 cups half and half non dairy also works, 454g, room temperature
▢ 2 large eggs 100g, room temperature
▢ 2 tbsp salted butter 28g, melted (¼ stick)
▢ 1 tbsp lemon juice 14g, from ½ lemon
▢ 1 tbsp honey 22g
▢ ½ tsp pure vanilla extract 2g
▢ 2 cups blueberries* 340g
▢ 1 cup chopped pecans 114g
▢ cinnamon pinch, optional

For Serving (Optional)

▢ honey
▢ maple syrup
▢ fresh fruit
▢ yogurt

Video

Instructions

Preheat oven to 375°F. Spray an 8×8-inch baking pan with nonstick spray. Set aside.
In a large bowl, whisk the oats, brown sugar, baking powder, and allspice together. 2¼ cups old-fashioned oats, ½ cup brown sugar, 1 tsp baking powder, ¼ tsp allspice
In another bowl, mix the half and half, eggs, butter, lemon juice, honey, and vanilla extract together until well combined. 2 cups half and half, 2 large eggs, 2 tbsp salted butter, 1 tbsp lemon juice, 1 tbsp honey, ½ tsp pure vanilla extract
Pour the milk mixture into the oats. Mix well.
Gently fold in the blueberries and pecans. For an even texture, make sure the ingredients are well mixed before spreading them into the baking dish. 2 cups blueberries*, 1 cup chopped pecans
Transfer the batter into the prepared baking pan and spread it into an even layer.
Bake for 40-45 minutes or until golden brown. Let cool before plating and serving. honey

Equipment

Kitchen Scale (optional)
8×8-inch Baking Pan

Becky’s Tips

Nutrition information is automatically calculated, so should only be used as an approximation.

How to Make Blueberry Baked Oatmeal Step by Step

Get the oven going and prepare a baking pan: Preheat the oven to 375°F and spray an 8×8-inch baking pan with nonstick spray. Set aside.

Ingredients for blueberry baked oatmeal. - 6

Gather your ingredients.

Dry ingredients for blueberry baked oatmeal. - 7

Combine the dry ingredients : Whisk 2¼ cups old-fashioned oats, ½ cup brown sugar, 1 tsp baking powder, and ¼ tsp allspice in a large bowl.

Ingredients for blueberry baked oatmeal. - 8

Combine the wet ingredients : In a separate bowl, mix 2 cups half and half, 2 large eggs, 2 tbsp salted butter, 1 tbsp lemon juice, 1 tbsp honey, and ½ tsp pure vanilla extract.

Milk and oat mixture in a glass bowl. - 9

Combine wet and dry ingredients: Pour the wet mixture over the oat mixture and mix well.

Nuts and blueberries added to oatmeal mixture in a glass bowl. - 10

Add the blueberries: Gently fold in 2 cups blueberries and 1 cup pecans. For an even texture, make sure the ingredients are well mixed before spreading them into the baking dish.

Blueberry baked oatmeal before baking. - 11

Transfer the batter and bake: Pour the batter into the baking pan and spread it into an even layer. Bake for 40-45 minutes or until golden brown.

Slice of blueberry baked oatmeal on a white plate with a fork. - 12

Cool and serve: Let cool before plating and serving. Enjoy!

How to Store

This is a wonderful recipe to make ahead of time. Let the oatmeal cool to room temperature and store it in an airtight container in the refrigerator for up to 5 days.

Wrap cooled baked oatmeal squares individually in plastic wrap and place into an airtight container in the freezer for up to 3 months. Thaw squares overnight in the refrigerator.

Square of blueberry baked oatmeal on a spatula being removed from the pan. - 13

Serving Suggestions

I love topping my baked oatmeal with maple syrup or honey and adding more fruit on top, whether it’s fresh berries or blueberry compote . For a complete breakfast, I’ll serve it with a side of air fryer bacon and a warm and comforting banana bread latte .

more breakfast recipes

Eggs Benedict Casserole

Cinnamon Roll Bread

Candied Bacon

Strawberry Banana Smoothie

Blueberry Baked Oatmeal Recipe

Equipment

Kitchen Scale (optional)
8x8-inch Baking Pan