1 lg. onion, chopped
2 tbsp. salad oil
1 can (1 lb. 12 oz.) tomatoes
1 pkg. Lawry's taco seasoning mix
1/2 tsp. lawry's seasoned salt
1 can (4 oz.) chopped green chilies, optional
1 pkg. (6 1/4 oz.) tortilla chips
2 lbs. Monterey Jack cheese, grated
1 c. dairy sour cream
1/2 c. grated cheddar cheese

To make sauce: Saute onions in 2 tbsp. salad oil until tender. Add tomatoes, taco seasoning mix, seasoned salt and green chilies. Simmer, uncovered, 10 to 15 minutes. In a buttered, deep, 2 quart casserole, arrange 1/2 of each of the following in layers: tortilla chips, sauce and Monterey Jack cheese. Repeat layers, top with sour cream. Bake in 325 degree oven 30 minutes. Sprinkle with cheddar cheese and bake 10 minutes longer. Let stand 15 minutes before cutting into squares. Makes 6 to 8 servings.