Blueberry Crumb Cake Recipe

• FOR THE CAKE:
• 6 Tbsp unsalted butter, softened to room temperature
• 3/4 cup sugar
• 2 eggs
• 1 tsp vanilla extract
• zest of 1 lemon
• 2/3 cup sour cream
• 1 1/4 cups all-purpose flour
• 1 tsp baking powder
• 1/4 tsp baking soda
• 1/2 tsp salt
• 1 cup fresh or frozen blueberries (if using frozen, rinse and toss with 1 Tbsp flour first)
• Confectioners' sugar for dusting
• FOR THE STREUSEL:
• 1/4 cup granulated sugar
• 1/3 cup brown sugar, packed
• 1 tsp ground cinnamon
• 1/8 tsp nutmeg
• 1/4 lb unsalted butter, melted
• 1 1/3 cups all-purpose flour

Directions