2 c. quick oats, uncooked
1 1/2 c. flour
1 c. packed brown sugar
1 tsp. baking soda
3/4 tsp. salt
1 c. melted butter
1 (14 oz.) can sweetened condensed milk
1/3 c. peanut butter
1 c. M&M'S®

Combine oats, flour, sugar, soda, salt; mix well. Add butter; mix until resembles coarse crumbs. (Reserve 1 1/2 cups.) Press rest into greased cake pan. Bake at 375 degrees for 10 minutes.

Combine milk and peanut butter. Spread within 1/4 inch from edge. Mix candy with reserved crumb mixture. Sprinkle over and press lightly. Bake 20 minutes.