2 1/2 sticks butter
3/4 c. brown sugar
1/2 c. white sugar
1 egg
1 1/2 c. flour
1 tsp. baking soda
1 tsp. cinnamon
3 c. oatmeal

Mix all together and press into ungreased 9 x 13 inch pan. Bake at 375 degrees for 25 minutes. Cool - cut into squares.