slow cooker beef fajita-style soup

Ingredients

• 1 pound beef stew meat
• 1 can 15-oz. can pinto beans, drained & rinsed
• 1 can 15-oz. can black beans, drained & rinsed
• 1 can 14.5 oz. can diced tomatoes with roasted garlic, undrained
• 1 can 14.5 oz. can beef broth
• 1 small green bell pepper, thinly sliced
• 1 small red bell pepper, thinly sliced
• 1 small onion, thinly sliced
• 1 1/2 cups water
• 2 teaspoons ground cumin
• 1 teaspoon seasoned salt
• 1 teaspoon black pepper
• sour cream, monterey jack cheese for toppings