Streusel Coffee Cake

This is a good all purpose coffee cake. Below the recipe are instructions for substituting part of the white flour with whole wheat.

Streusel Coffee Cake
Cake Ingredients
2 cups flour
1 cup sugar
3 tsp baking powder
1 tsp salt
1/3 cup butter, softened
1 cup milk
1 egg
Heat oven to 350 degrees. Prepare Streusel. Beat remaining ingredients in large bowl on low speed 30 seconds. Beat on medium speed, scraping bowl occasionally, 2 minutes. Spread half the batter on greased 9x13" cake pan, or 9x9" square pan. Sprinkle with half the streusel. Top with remaining batter. Sprinkle with remaining streusel. Bake until toothpick comes out clean, about 35-40 minutes.
makes 9-12 servings
Streusel Ingredients
1/2 cup chopped nuts
1/3 cup packed brown sugar
1/4 cup flour
1/2 tsp cinnamon
3 Tbsp firm butter
Mix all ingredients until crumbly.

Whole Wheat Substitutes
Substitute 1 cup whole wheat flour for 1 cup white flour. Substitute whole wheat flour for the white flour in streusel. Bake about 45 minutes.