Easy Beef Taco Salad

Ingredients

• 1 pound lean ground beef
• 1 tablespoon vegetable oil
• 1/2 cup chopped yellow onion
• 2 cloves garlic, minced
• 1/4 teaspoon ground cumin
• 1/8 teaspoon ground red pepper (cayenne)
• 1 head red-leaf lettuce
• 1 head romaine lettuce
• 1 small red onion, thinly sliced (about 3/4 cup)
• 8 cherry tomatoes, quartered
• 1 cup crumbled baked tortilla chips
• 1 cup shredded reduced-fat cheddar cheese
• 1/2 cup chunky salsa
• 2 tablespoons fresh lime juice
• 2 tablespoons olive oil