1 c. flour
1/2 tsp. baking powder
1/8 tsp. baking soda
1/2 tsp. salt
1/3 c. melted butter
1 c. brown sugar
1 egg
1 tbsp. hot water
1 1/4 tsp. vanilla
1 (6 oz.) pkg. chocolate chips or M & M's
1 c. marshmallows

Mix the first 9 ingredients in a large mixing bowl. Spread on greased round pizza pan or spread in two 8 inch cake pans. Top with chocolate chips or M & M's and marshmallows. Bake at 350 degrees for 20 minutes. Allow to cool slightly, then cut into pizza-like wedges.