Raspberry Lemon Crumb Cake

1: Preheat the oven to 350°F and spray a 9-inch springform pan with cooking spray.

2: In a bowl, whisk together the flour, baking powder, baking soda, lemon zest, and salt. Set aside.

3: In a small bowl, mix 0.5 cups flour, brown sugar, and cinnamon. Stir in the melted butter until crumbs form. Set aside.

4: In a stand mixer, beat the butter and sugar together until smooth and creamy.

5: Add the eggs, sour cream, and vanilla, and beat until combined.

6: Mix in the dry ingredients until just combined and smooth, avoiding overmixing.

7: Pour the batter into the prepared pan, sprinkle with raspberries, and then the crumb mixture.

8: Bake for 30-35 minutes or until a toothpick inserted in the center comes out clean.

9: Optional: Drizzle with glaze made from combining confectioners' sugar and lemon juice until smooth.