Monster cookies

1/2 c. butter

1/2 c. sugar

1/2 c. brown sugar

1/2 c. peanut butter

1 egg

1/2 t. vanilla

1 t. baking soda

1/4 t. salt

1 c. + 1 Tb. flour

choc chips, 1-1 1/2 cups

m&ms

bake 350 8-10 min