BROWN GROUND BEEF. COOK MACARONI AND ADD TO BEEF. POUR TOMATOES IN AND ADD THE CHEESE WHIZ...ENOUGH TO SATISFY YOUR CHEESE-BUDS. MIX THOROUGHLY AND ENJOY. IF MIXTURE IS NOT VERY WARM DUE TO THE CHEESE WHIZ PUT IT IN THE OVEN AT 350F FOR 30 MINUTES. YOU CAN ADD BREAD CRUMBS TO THE TOP IF YOU DESIRE.