2/3 c. oil
2 c. brown sugar, not packed
2 eggs
2 tsp. vanilla
2 c. flour
1/4 tsp. baking soda
1/2 tsp. salt
6 oz. chocolate chips
Chopped nuts, if desired

Mix ingredients in order. Bake at 350 degrees for 30 to 40 minutes in greased 9 x 13 inch pan. Cool and cut into squares or bars. M & M's may be used instead of chips.