Shortcut White Bean Chicken Chili

4 cups shredded cooked rotisserie chicken

1 tablespoon olive oil

1/4 teaspoon salt

1/4 teaspoon ground pepper optional

1 small onion, chopped 1 cup

3 cloves garlic, minced or 1/2 teaspoon garlic powder

1 tablespoon olive oil

1 32 oz carton chicken broth or stock 4 cups

3 15.8 oz cans Great Northern or Navy beans drained

1 4.5 oz can chopped green chiles

1 1/2 teaspoons ground cumin

3/4 teaspoon dried oregano

1/4 teaspoon salt

4 oz shredded Monterey Jack cheese

Lime wedges (optional)