Put the chicken breasts in the bottom of the slow cooker. Add the onion, beans, diced green chiles, jalapeño, garlic, cumin, chili powder, oregano, smoked paprika, salt, cayenne pepper and chicken broth.
1 ½ pounds boneless skinless chicken breasts, 1 cup chopped yellow onion, 2 (15 ounce) cans cannellini beans, 2 (4 ounce) cans mild diced green chiles, 1 medium jalapeño, 2 cloves garlic, 2 teaspoons ground cumin, 1 teaspoon chili powder, 1 teaspoon dried oregano, ½ teaspoon smoked paprika, ½ teaspoon salt, ⅛-¼ teaspoon cayenne pepper, 3 cups low sodium chicken broth