Blueberry Lemon Coffee Cake

Step 1: Whisk all of the crumb topping ingredients together, then place in the fridge.

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Step 2: In a large bowl, whisk the flour with the baking powder, baking soda and salt.

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Step 3: In a stand mixer or with a hand mixer, cream the butter with the sugar.

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Step 4: Add the egg, vanilla extract and lemon extract.

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Step 5: Mix in the sour cream and lemon zest.

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Step 6: Pour in the dry ingredients and mix until just combined.

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Step 7: Mix the blueberries with cornstarch and lemon zest.

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Step 8: Gently stir in the blueberries into the coffee cake batter.

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Step 9: Pour the coffee cake batter into an 8x8 greased baking pan.

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Step 10: Sprinkle over the crumb topping and bake in the oven !

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