TM's Golden Crunch Coffee Cake

3 cups sifted flour
3 tsp. baking powder
1/2 tsp. salt
1/2 cup butter or margarine 
1 1/2 cups sugar
4 eggs 
1 tsp. vanilla
1 cup milk 
In a bowl, sift together flour, baking powder and salt. Cream 
together butter and sugar until light and fluffy. Add eggs, one 
at a time, beating well after each addition. Beat in vanilla. 
Add dry ingredients alternately with milk, beating well after 
each addition. Spread half of batter in greased 13 by 9 by 2 
inch baking pan. Sprinkle half of crumbs over batter. Spread 
with remaining batter. Top with remaining crumbs. Bake in a 350 
degree oven 45 minutes or until done. Cut into squares and serve 
warm. Makes 16 servings.

Crumb Topping
1 cup brown sugar packed
2 tbsp. butter or margarine
2 tbsp. flour
1 tsp. ground cinnamon
1 cup walnuts or pecans chopped
In a bowl, combine ingredients, mixing well.