1Heat oven to 350°F.
2In ungreased 8-inch square baking dish, spread 2 1/2 cups of the cereal. Spoon beans evenly over cereal. Sprinkle with 1 cup of the cheese. Spoon salsa evenly over cheese. Sprinkle with remaining 2 cups cereal and 1 cup cheese.
3Bake uncovered 20 to 25 minutes or until hot and cheese is melted. Serve hot or cold with sour cream.