Spicy Pumpkin Squares
["1 (18 1/4 oz.) pkg. spice cake mix", "1 1/4 c. quick-cooking oats", "1/2 c. margarine (soft)", "1/4 c. firmly packed brown sugar", "3 eggs, divided", "1/4 c. chopped nuts", "1 (16 oz.) can pumpkin", "1 (14 oz.) can sweetened condensed milk", "1 tsp. cinnamon", "1/2 tsp. ground ginger", "1/2 tsp. nutmeg", "1/2 tsp. salt", "whipped cream or ice cream (for topping)"]
["Preheat oven to 350\u00b0.", "In large bowl, beat cake mix, oats, margarine, sugar and 1 egg until crumbly.", "Reserving 2 cups crumb mixture, press remainder firmly on bottom of 13 x 9-inch baking dish; bake 15 minutes."]
["spice cake", "oats", "margarine", "brown sugar", "eggs", "nuts", "pumpkin", "condensed milk", "cinnamon", "ground ginger", "nutmeg", "salt", "whipped cream"]