In 30 cm skillet cook ground beef, peppers and onions until meat is brown. Stir in soup, black olives, salsa and water. Bring to boiling; reduce heat. Simmer, uncovered, for 5 minutes. Remove from heat. Prepare corn muffin mix according to pkg. Spread half into greased 13 x 9 baking pan. Spoon the hot meat mixture over muffin mix. Carefully spread remaining corn muffin batter over meat mixture. Bake at 180ºC or 30 to 35 minutes till muffin layer is golden. Top with cheese. Garnish with olives and tomatoes. 397 calories---19 grams fat ----------------------------------------------------------------------------