White Chicken Chili

Flavorful White Chicken Chili made with hearty beans, tender chicken, and a rich and creamy broth. It’s a great alternative to traditional beef chili and makes for a super satisfying dinner! If you’re lucky to have any left it will make great leftovers for lunch the next day too!
1 pound boneless skinless chicken breasts, chopped
1 medium onion, chopped
1 tablespoon olive oil
2 garlic cloves, minced
2 cans (14 ounces each) chicken broth
1 can (4 ounces) chopped green chiles
2 teaspoons ground cumin
2 teaspoons dried oregano
1-1/2 teaspoons cayenne pepper
3 cans (14-1/2 ounces each) great northern beans, drained, divided
1 cup shredded Monterey Jack cheese
Sliced jalapeno pepper, optional