BUTTERCREAM COFFEE CAKE

Steps:

• Cut 1/3 cup butter into 3/4 cup flour, brown sugar and cinnamon till fine.
• Stir in walnuts.
• Sift 1 1/2 cups flour with baking powder, soda and salt.
• Cream 1/2 cup butter in bowl; add sugar and cream till light.
• Add eggs one at time, beating well; blend in vanilla.
• Add dry ingredients alternately wit sour cream to creamed mixture.
• Spread in 9x9-inch floured and greased pan. Sprinkle with walnut mixture. Bake at 325 for 50 minutes.
• When cool, split horizontally and fill with filling. Store in refrigerator.
• For the Buttercream filling: Combine flour, salt salt and milk in saucepan. Cook over low heat till thick, stirring constantly; cool.
• Cream butter and sugar. Add flour mixture and beat till fluffy.