Buttercream Coffee Cake

• Coffee Cake
• butter↗1⁄3 cup
• butter↗1⁄2 cup
• sifted flour2 1⁄4 cups
• brown sugar↗1⁄3 cup
• cinnamon↗1 teaspoon
• chopped walnuts1⁄2 cup
• baking powder↗1⁄2 teaspoon
• baking soda↗3⁄4 teaspoon
• salt↗1⁄2 teaspoon
• sugar↗2⁄3 cup
• eggs↗2
• sour cream↗1 cup
• vanilla↗1 teaspoon
• Buttercream filling
• cup flour↗1⁄4
• teaspoon salt↗1⁄2
• cup milk↗1
• cup butter↗2⁄3
• cup sugar↗1
• teaspoon vanilla↗1

Step-by-step instructions

1. 1

   Cut 1/3 cup butter into 3/4 cup flour, brown sugar and cinnamon till fine.

2. 2

   Stir in walnuts.

3. 3

   Sift 1 1/2 cups flour with baking powder, soda and salt.

4. 4

   Cream 1/2 cup butter in bowl; add sugar and cream till light.

5. 5

   Add eggs one at time, beating well; blend in vanilla.

6. 6

   Add dry ingredients alternately wit sour cream to creamed mixture.

7. 7

   Spread in 9x9-inch floured and greased pan. Sprinkle with walnut mixture. Bake at 325 for 50 minutes.

8. 8

   When cool, split horizontally and fill with filling. Store in refrigerator.

9. 9

   For the Buttercream filling: Combine flour, salt salt and milk in saucepan. Cook over low heat till thick, stirring constantly; cool.

10. 10

    Cream butter and sugar. Add flour mixture and beat till fluffy.