1 pkg. Kraft Macaroni and Cheese Dinner (family size)
2 cans (6 1/2 oz.) tuna (drained)
Potato chips (optional)

Prepare macaroni and cheese according to directions. Put into 2 quart microwavable dish. Mix in drained tuna. Top with crushed potato chips (optional). Microwave (covered) 8-10 minutes on high. 4 large servings (6-7 cups).