Chicken Tortilla Soup V

INGREDIENTS

• 2 skinless, boneless chicken breasts, cut into cubes
• 1/2 teaspoon olive oil
• 1/2 teaspoon minced garlic
• 1/4 teaspoon ground cumin
• 2 (14.5 ounce) cans chicken broth
• 1 cup frozen corn kernels
• 1 cup chopped onion
• 1/2 teaspoon chili powder
• 1 tablespoon lemon juice
• 1 cup chunky salsa
• 8 ounces corn tortilla chips
• 1/2 cup shredded Monterey Jack cheese (optional)