Crock Pot Ranchero Chicken

Name: Crock Pot Ranchero Chicken
Ingredients: 2 lbs chicken breasts; 2 cups chicken broth; 1 teaspoon salt; 1/2 teaspoon pepper; pinch red chili pepper flakes; 1/2 lime; 1 Tablespoon extra virgin olive oil; 1 large shallot or 1/2 onion (chopped); 1 green bell pepper (seeded then chopped); 1 jalapeño pepper (seeded then minced); 3 cloves garlic (minced); 2 teaspoons cumin; 1/4 teaspoon cayenne pepper (or more); 4 cups chicken broth; 15 oz can crushed tomatoes; 1/3 cup chopped fresh cilantro