Chocolate Chip Streusel Coffee Cake - cooking recipe

Ingredients

STREUSEL
1 cup brown sugar
1/2 cup chocolate chips
1/2 cup walnuts, chopped
2 tablespoons flour
2 teaspoons cinnamon
2 tablespoons butter, melted
COFFEE CAKE
1 (18 ounce) box yellow cake mix
8 ounces sour cream
3/4 cup water
3 eggs

Preparation

STREUSEL.
Mix all in small bowl and set aside.
Coffee Cake.
Combine all ingredients, mix well, beat 2 minutes at high speed.
Spread 2/3 of batter in greased and floured 9x13 inch pan.
Sprinkle half of streusel mixture over cake.
Add rest of batter and sprinkle with rest of streusel.
Bake at 350 degrees for 40-50 minutes.