Apple Coffee Cake

Ingredients (25)

• For the Cake:
• 1 cup white whole wheat flour
• 1/4 cup all purpose flour
• 1 teaspoon ground cinnamon
• 1/2 teaspoon baking soda
• 1/2 teaspoon kosher salt
• 1/4 teaspoon allspice
• 1/4 teaspoon ground nutmeg
• 1/4 cup unsalted butter
• 1/2 cup granulated sugar
• 1 large egg
• 1 teaspoon vanilla extract
• 1/2 cup low-fat buttermilk
• 1 1/2 cups tart apples
• For the Streusel Topping:
• 3/4 cup old fashioned rolled oats
• 1/3 cup lightly packed brown sugar
• 1/2 teaspoon ground cinnamon
• 1/4 teaspoon salt
• 2 tablespoons unsalted butter
• 1/4 cup roughly chopped walnuts
• For the Glaze:
• 3/4 cup powdered sugar
• 2 tablespoons milk
• 1/2 teaspoon vanilla extract