2 c. brown sugar
1/2 c. butter
2 1/2 c. flour
1/2 c. sour milk
1 tsp. baking soda in 1/2 c. milk
2 eggs
2 tbsp. cocoa
vanilla

Mix well and pour into 9x13 cake pan. Bake for 30 to 35 minutes at 350 degrees.