Neighbour House Coffee Cake

1-1/2 sticks of butter
1 lb. light brown sugar
3 cup flour
1-1/2 tsp. baking soda
1-1/2 tsp. cinnamon

Combine the above ingredients (reserve 1 cup for crumb topping). Then add:

2 eggs
1-1/2 cup of sour milk or butter milk
1 tsp. vanilla

Place in a 9x13" greased pan. Sprinkle crumbs on top. Bake at 350 for 45-60 minutes.