Microwave Snack Cake
["1 c. (2 sticks) margarine, softened", "1 1/3 c. oats, uncooked", "1/2 c. all-purpose flour", "1 c. brown sugar, packed", "2 eggs", "1/2 c. chopped walnuts (optional)", "1 tsp. vanilla", "1 (12 oz.) pkg. chocolate morsels, divided"]
["In large mixer bowl, combine butter or margarine, oats, flour, brown sugar, eggs, walnuts and vanilla.", "Beat 3 minutes at medium speed or until mixture is light and fluffy.", "Stir in 1 cup morsels."]
["margarine", "oats", "all-purpose", "brown sugar", "eggs", "walnuts", "vanilla", "chocolate morsels"]