1 1/2 pounds ground beef
1 (14-ounce) can diced tomatoes, undrained
1 envelope taco seasoning
2 (5-ounce) packages yellow rice mix
1 pound pasteurized process cheese spread, cubed
1 (10-ounce) can diced tomatoes and green chilies, undrained
1 (10-ounce) bag corn chips, crushed
Brown ground beef in a skillet; drain well. Blend in tomatoes and taco seasoning; simmer 5-10 minutes. Cook rice according to package instructions. In a large bowl, microwave cheese until melted (or melt over low heat in a large saucepan); stir in diced tomatoes and green chilies until blended well. Add browned beef and cooked rice to cheese mixture, blending well. Pour into a greased 9-x13-inch baking dish. Sprinkle crushed corn chips over top of casserole. Bake at 400 degrees for 10-15 minutes, until heated through. To serve, arrange onions in a layer around edges of dish; mound lettuce inside the ring of onions, then tomatoes in a ring inside the lettuce. Makes 10-12 servings.