Sheri'S Famous Fudge-Filled Bars
["2 c. quick oats", "1 1/2 c. flour", "1 c. chopped nuts", "1 c. brown sugar", "1 tsp. soda", "3/4 tsp. salt", "1 c. melted butter or margarine", "2 Tbsp. shortening", "1 1/2 c. M&M's (plain)", "1 can sweetened condensed milk"]
["Combine oats, flour, nuts, sugar, soda and salt; mix well. Add butter; mix until dry ingredients are thoroughly moistened and mixture resembles coarse crumbs.", "Reserve 1 1/2 cups.", "Press remaining into bottom of greased 15 1/2 x 10 1/2-inch jelly roll pan (10 x 13-inch okay).", "Bake at 375\u00b0 for 10 minutes."]
["oats", "flour", "nuts", "brown sugar", "soda", "salt", "butter", "shortening", "condensed milk"]