Preheat oven to 350 degrees F (180 C). Butter and flour a 12-cup tube or bundt cake pan or a 10-inch angel food cake pan, or an 8 x 8-inch square baking pan.
In a large mxing bowl, mix by hand, the softened butter, sugar, eggs, and vanilla. Stir in the sour cream and then add in the flour, baking powder, baking soda and salt. Mix well, but do not overmix.
In a medium size bowl, mix together all of the filling ingredients. Combine well.
Pour half of the cake batter into the prepared cake pan, then half of the filling mixture, then the remaing cake batter and the remaining filling mixture. Bake coffee cake on middle rack in preheated 350 degree F (180 C) oven for 50-60 minutes. Cool in pan for 10 minutes, then turn cake out onto cooling rack to cool completely.
Makes 12 servings.
Source: Doris Jeanson
Submitted By: Doris Jeanson
Date: March 4, 2004