1 1/2 c. brown sugar
3/4 c. unsalted butter
1 tsp. vanilla
1/4 tsp. baking soda
1/2 tsp. salt
2 c. flour
1 egg
1 c. chocolate chips
3/4 c. oatmeal
1 1/2 c. mini marshmallows

Cream sugar and butter. Add eggs and vanilla. Mix in baking soda and flour. Add the oatmeal, chocolate chips and marshmallows. Batter will be stiff. Spread in greased 9 x 13 inch pan.

Bake at 350°F for 18 to 20 minutes. Cool and cut into bars.