2/3 cup margarine
1-1/3 cups peanut butter
2 cups brown sugar
4 eggs
2 tsp. vanilla
2 cups flour
1 tsp. baking soda
1 tsp. salt
2-1/2 cups oatmeal
chocolate chips, if desired
nuts, if desired
Blend margarine with peanut butter, sugar, eggs and vanilla; add dry ingredients.
Bake in a 10x17 inch greased pan at 350 for 20 minutes.
Sprinkle with chocolate chips and/or nuts, if desired.
Makes about 48 bars.