Lemon blueberry baked oats are the viral TikTok breakfast that tastes exactly like a slice of lemon blueberry cake. ♡

These lemon blueberry baked oats blend rolled oats with Greek yogurt, eggs, lemon zest, and maple syrup then bake around juicy blueberries until the top is golden and the inside tastes like cake. Viral on TikTok because it tastes like dessert but it is actually a protein packed breakfast. If you love cake for breakfast, try my cinnamon roll baked oats and lemon ricotta pancakes.
One blender, one dish, breakfast that tastes like cake. Let’s make it together.

Ingredients
Lemon Blueberry Baked Oats
- 1 cup old fashioned rolled oats
- 1 large egg
- 1/3 cup plain Greek yogurt
- 1/3 cup unsweetened almond milk
- 1/4 cup pure maple syrup
- 2 tbsp melted butter
- 1 tbsp fresh lemon zest
- 2 tbsp fresh lemon juice
- 1 tsp vanilla extract
- 1 tsp baking powder
- 1/4 tsp kosher salt
- 3/4 cup fresh blueberries, plus extra for topping
Lemon glaze
- 1/4 cup powdered sugar
- 2 tsp fresh lemon juice
- 1/4 tsp lemon zest
Optional add ins
- a scoop of vanilla protein powder
- a handful of white chocolate chips
- a swirl of cream cheese
- a sprinkle of poppy seeds
- a drizzle of honey instead of the glaze

How to Make Lemon Blueberry Baked Oats
- Preheat. Set the oven to 350F and lightly grease a small 6×8 inch baking dish or divide between two 10 oz ramekins.
- Blend. Add the oats, egg, Greek yogurt, almond milk, maple syrup, melted butter, lemon zest and juice, vanilla, baking powder, and salt to a blender. Blend on high for 45 seconds until completely smooth and cake batter like.
- Pour. Pour the batter into the prepared dish. It should look like a thick pancake batter.
- Blueberries. Scatter 3/4 cup blueberries across the top. They will sink slightly as they bake, which is what you want.
- Bake. Bake for 22 to 25 minutes until the top is lightly golden and a toothpick comes out clean.
- Glaze. While the oats cool 5 minutes, whisk the powdered sugar, lemon juice, and zest into a thin glaze.
- Finish. Drizzle the glaze over the warm baked oats and top with a handful of extra fresh blueberries. Slice and serve warm.
Why This Recipe Works
Blending the oats creates a cake like crumb without using any flour. The blender breaks the rolled oats into a fine powder that acts as oat flour, which is what gives these viral baked oats that tender cake texture instead of the gummy feel you get from whole oats baked into a casserole.
Greek yogurt adds richness and tang that mimics buttermilk in a classic cake. The acidity also activates the baking powder, which gives the baked oats that signature gentle rise. Without it the oats would be dense and heavy.
Pulling lemon flavor from both the zest and the juice is the flavor move. Zest carries the bright citrus oils, while the juice provides the sharpness. Using only one would leave the oats tasting dull. Together they taste like the brightest lemon blueberry muffin you have ever had.
Tips
- Storage. Store in an airtight container in the fridge for up to 4 days. The glaze keeps beautifully.
- Reheating. Warm in the microwave for 30 seconds or in a 300F oven for 6 minutes. Add a splash of milk to soften if needed.
- Meal prep. Bake a big batch Sunday and slice into squares for the week.
- Mistake to avoid. Do not use steel cut oats. They stay tough no matter how long you blend. Rolled oats are essential.
- Ingredient swap. Frozen blueberries work, just do not thaw them first or they bleed purple into the batter.
- Freshness. Fresh lemon zest is non negotiable. Bottled lemon juice lacks the citrus oils that carry the flavor.
- Extra protein. Add a scoop of vanilla protein powder to boost to 20g protein per serving.
Variations
- Lemon poppy seed: stir in 1 tbsp poppy seeds for a classic pairing
- Blueberry cream cheese: swirl 2 tbsp softened cream cheese through the batter before baking
- Raspberry: swap blueberries for raspberries for a tart twist
- Lemon white chocolate: stir in 1/4 cup white chocolate chips
- Protein version: add 1 scoop vanilla protein for 20g protein per serving
- Single serve: divide between two ramekins and bake 15 minutes for personal portions
Common Mistakes to Avoid
- Skipping the blender. Whole oats give you gummy baked oats. Always blend for that cake texture.
- Frozen blueberries thawed first. They bleed and tint the batter purple. Add them frozen straight to the top.
- Over baking. Pull at 22 minutes if the top is set. Longer bakes dry out the crumb.
- No salt. Salt amplifies the lemon and sweetness. Skip it and the oats taste flat.
- Hot glaze. Drizzle glaze only after the oats have cooled 5 minutes. Hot oats melt the glaze into a puddle.


Lemon Blueberry Baked Oats
Ingredients
Method
- Preheat oven to 350F and grease a small 6x8 inch baking dish.
- Blend oats, egg, yogurt, almond milk, maple syrup, butter, lemon zest and juice, vanilla, baking powder, and salt for 45 seconds.
- Pour batter into the prepared dish.
- Scatter blueberries across the top.
- Bake 22 to 25 minutes until the top is lightly golden and a toothpick comes out clean.
- Whisk powdered sugar with lemon juice and zest for the glaze.
- Drizzle glaze over warm oats and top with extra blueberries.


