Taco Chip Salad with Roma Tomatos

Ingredients

• 1 lb ground beef
• 1 (1 1/4 ounce) envelope taco seasoning
• 1 head iceberg lettuce, chopped
• 2 -3 roma tomatoes, diced
• 6 green onions, chopped
• 1 (15 ounce) can red kidney beans or 1 (15 ounce) can black beans, drained
• 1 (15 ounce) can large black olives, sliced
• 1 cup cheddar cheese, shredded
• 1 (16 ounce) bottle Catalina dressing
• 1 (14 1/2 ounce) bag plain Doritos, crumbled into big chunks