PREHEAT oven to 350°F. Mix beans, soup and CHEEZ WHIZ in 2-quart casserole.
ADD water to margarine in medium bowl; stir until margarine is melted. Add stuffing mix; stir just until moistened. Spoon over bean mixture.
BAKE 30 min. or until heated through.
KRAFT KITCHENS TIPS
Assemble casserole as directed; cover. Refrigerate several hours or overnight. When ready to serve, bake, uncovered, at 350°F for 45 to 50 min. or until heated through. RECIPE COURTESY OF KRAFT FOODS