Ricotta Pound Cake

INGREDIENTS

• 1 1/2 cup  flour
• 2 1/2 tsp baking powder
• 1 tsp kosher salt
• 3/4 cup (1 1/2 sticks) unsalted butter, softened
• 1 1/2 cups fresh whole-milk ricotta
• 1 1/2 cups sugar sugar
• 3 large eggs
• 1/2 vanilla bean
• 1 tsp pure vanilla extract
• 1/2 cups raisins
• 1 tsp lemon zest
• Confectioner’s sugar, for dusting
• Blackberries for topping (optional)