Coffee Cake - cooking recipe

Ingredients

1/2 c. butter
1 c. sugar
2 egg yolks, well beaten
2 c. all-purpose flour
2 tsp. baking powder
1 tsp. salt
1 c. milk
2 egg whites, beaten (fluffy, not stiff)
1 1/2 c. brown sugar, firmly packed
2 Tbsp. flour
2 Tbsp. melted butter
2 tsp. cinnamon
1 c. nuts

Preparation

In a medium bowl, cream the butter.
Add sugar gradually.
Add the egg yolks.
In a separate bowl, sift the flour, baking powder and salt.
Add alternately to the butter mixture with milk.
Add the egg whites.