Ingredients
1/2 cup butter, softened1 cup sugar2 large eggs, room temperature1/4 cup buttermilk1 teaspoon vanilla extract2 cups all-purpose flour1-1/2 teaspoons baking powder1/2 teaspoon salt1/4 teaspoon baking soda2 cups diced peeled tart apples1/2 cup chopped walnutsTOPPING:1/4 cup sugar1/4 cup all-purpose flour2 teaspoons ground cinnamon1/4 cup cold butter, cubed
Preparation
In a large bowl, cream butter and sugar until light and fluffy, 5-7 minutes. Add eggs, 1 at a time, beating well after each addition. Beat in buttermilk and vanilla. Combine the flour, baking powder, salt and baking soda; gradually add to creamed mixture. Fold in apples and walnuts. Pour into a greased 9x5-in. loaf pan.
For topping, combine the sugar, flour and cinnamon. Cut in butter until mixture resembles coarse crumbs. Sprinkle over batter.
Bake at 350° for 55-60 minutes or until a toothpick inserted in the center comes out clean. Cool for 10 minutes before removing from pan to a wire rack.
