sliced 5 ounces Low-fat mozzarella -- grated Spray a pie plate with nonstick spray. Slice potato about 1/4" thick. Lay sli ces on bottom of the pan, overlapping slightly to form a "crust." Spray with no nstick spray. Bake at 400F for 40 min until slightly browned and potatoes are cooked. My note: check potatoes after about 10 min, especially if some were cut thinner . Combine tomatoes, mushrooms, onion and seasonings. When crust is ready, spr ead with mushroom mixture. Top with olives then cheese. Bake for 10 minutes. Each serving - half pizza 295 cal 21 g protein, 14 g total fat, 8 g sat. fat, 22 g carb, 42 mg cholesterol, 804 mg sodium. Food Groups: 3 L Meat, 1 Bread, 1 Vegetable Shared but not tested by Elizabeth Rodier July 1993 Source: Light & Easy For Tw o! by Lee Harvey & Helen Chambers c. 1990