Coffee Cake - cooking recipe

Ingredients

2 c. flour
1 stick margarine
1 c. brown sugar
1/2 c. white sugar
1 tsp. vanilla
1 tsp. baking soda
1 c. buttermilk
1 egg
6 Heath bars, crushed
1/4 c. nuts

Preparation

Mix together first 4 ingredients.
Set 1/2 cup of mixture aside.
To the remaining mixture, add the next 4 ingredients and mix well.
Grease and flour 9 x 13-inch pan.
Pour first mixture into pan.
Bake 30 minutes at 350\u00b0.