Step-by-Step
1. Make the Crumb Topping
Mix flour, brown sugar, and cinnamon. Cut in cold butter until crumbly. Set aside.
2. Prepare the Cream Cheese Layer
① Beat cream cheese, sugar, egg, and vanilla until smooth. Set aside.
3. Make the Cake Batter
Whisk flour, baking powder, baking soda, and salt.
In another bowl, cream butter and sugar, then add eggs, sour cream, and vanilla.
Gradually mix in dry ingredients. Fold in blueberries.
4. Layer & Bake
Spread cake batter in a greased 9×13” pan.
Dollop cream cheese mixture on top and swirl gently.
Sprinkle crumb topping evenly.
Bake at 350°F (175°C) for 40-45 mins until golden.
5. Cool & Serve!
️ Best served slightly warm with a dusting of powdered sugar.
Pro Tips for the Best Cake
Extra juicy berries? Toss frozen blueberries in 1 tbsp flour first.
More zing? Add 1 tsp lemon zest to the cream cheese layer.
⏳ Make ahead? Freeze up to 3 months (thaw overnight).
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