Fresh Raspberry-Sour Cream Crumb Cake

INGREDIENTS

• 1 cup all-purpose flour
• 2/3 cup granulated sugar
• Grated zest of 1 lemon
• 8 Tbs. (1 stick) unsalted butter, melted
• 1 3/4 cups all-purpose flour
• 1 cup granulated sugar
• 2 tsp. baking powder
• 1/4 tsp. baking soda
• 1/4 tsp. salt
• 3 eggs
• 1 cup sour cream
• 1 tsp. vanilla extract
• 2 cups fresh raspberries
• 2 Tbs. confectioners’ sugar