Good-Cooking - Taco Salad

Ingredients

• 1 pound ground chuck
• 1 cup Cheddar cheese, grated
• 1 head lettuce, torn into pieces
• 2 tomatoes, chopped
• 1 cup olives, chopped
• 1 onion, chopped
• 1 package tortilla chips
• 1 to 2 avocados