Layered Mexican Bake

Directions HEAT oven to 375° F. BROWN meat with onions and peppers in large skillet on medium-high heat. Stir in chili powder; cook 1 minute. Add salsa and corn; mix well. Simmer 5 minutes. SPREAD 2 cups meat sauce onto bottom of 13x9-inch baking dish; top with layers of 2 tortillas, 1 cup meat sauce, sour cream and 1/2 cup cheese. Cover with 2 tortillas, 2 cups of remaining meat sauce and half of remaining cheese; top with remaining tortillas and meat sauce. Cover with foil. BAKE 30 minutes or until casserole is heated through. Top with remaining cheese; bake, uncovered, 5 min. or until melted. Kraft Kitchens Tips Special Extra: Garnish with chopped cilantro or green onions just before serving.