Three Cheese Pie
["1 c. shredded Cheddar cheese", "1 c. shredded Mozzarella cheese", "1 c. shredded Monterey Jack cheese", "1 medium onion, chopped (about 1/2 c.)", "2 Tbsp. all-purpose flour", "4 eggs", "1 c. milk", "1/2 tsp. salt", "1/2 tsp. dry mustard", "1/2 tsp. Worcestershire sauce", "2 medium tomatoes, sliced"]
["Mix cheese, onion and flour.", "Spread in greased pie plate (10 x 1 1/2-inches) or quiche dish (9 x 2-inches).", "Beat eggs slightly; beat in milk, salt, mustard and Worcestershire sauce. Pour over cheese mixture.", "Cook, uncovered, in 350\u00b0 oven until set for 35 to 40 minutes.", "Let stand 10 minutes; arrange tomato slices around edge of pie, overlapping slices slightly.", "Makes 8 servings; 230 calories per serving."]
["Cheddar cheese", "Mozzarella cheese", "shredded Monterey Jack cheese", "onion", "flour", "eggs", "milk", "salt", "dry mustard", "Worcestershire sauce", "tomatoes"]