Start by placing the boneless, skinless chicken breasts at the bottom of the slow cooker.
In a separate bowl, combine the brown rice, black beans, diced tomatoes with their juices, corn, onion, garlic, chili powder, cumin, smoked paprika, salt, and pepper.
Spread the mixture evenly over the chicken in the slow cooker.
Pour the chicken broth over everything, ensuring that the rice and beans are adequately submerged in the liquid.
Cover the slow cooker and cook on low for 6-8 hours or on high for 3-4 hours, until the chicken is fully cooked and tender.
About 30 minutes before serving, shred the chicken with two forks while still in the cooker and stir everything to combine.
Squeeze fresh lime juice into the mixture and stir again to enhance the flavor.
Once done, serve the burrito bowl mixture in individual bowls topped with avocado slices, a dollop of sour cream, shredded cheese, and a sprinkle of fresh cilantro.
Notes
Layer the bowl with the burrito mixture at the bottom and artfully arrange the toppings on top. Consider adding some tortilla chips on the side for a crunch!