Peach Crumble Cake

Ingredients

• ***For the streusel topping:***
• 1/2 cup all-purpose flour
• 1/3 cup brown sugar, packed
• 1 teaspoon ground cinnamon
• 1/8 teaspoon salt
• 4 tablespoons cold unsalted butter, cut into small pieces
• ***For the cake:***
• 2 cups all-purpose flour
• 2 teaspoons baking powder
• 1/2 teaspoon salt
• 1/4 teaspoon ground cinnamon
• 4 tablespoons unsalted butter, room temperature
• 3/4 cup granulated sugar
• 1 large egg, room temperature
• 1 1/2 teaspoons pure vanilla extract
• 1/2 cup buttermilk, room temperature
• 2 cups peaches, peeled and chopped
• ***For the vanilla glaze:***
• 1 cup confectioners' sugar, sifted
• 2 tablespoons heavy cream or milk
• 1/2 teaspoon pure vanilla extract