Cook onion and green pepper in 1 Tblsp. fat just til tender. Add meat & brown lightly. Add next 8 ingredients (Not cheese). Simmer 20 to 25 minutes until thick. Stir in cheese. Pour into greased 10" x 6" x 1 1/2" baking pan. Make corn meal topper: Stir corn meal and salt into cold water. Heat stirring constantly over medium heat until thick—stir in margarine & mix well. Spoon in three lengthwise strips over meat mixture. Bake in 375° oven for 40 minutes until top is golden or lt. browning.