Crack Chicken and Rice Casserole

Name: Crack Chicken and Rice Casserole
Prep time: 10 min
Cook time: 50 min
Total time: 1 h
Cuisine: American
Ingredients: 1 - 6.9 ounce box chicken rice a roni or any boxed rice and pasta mix; 1 cup carrots, thinly sliced; 1/2 cup chopped green bell pepper; 1/2 cup finely diced onion; 1 - 10.5 ounce can cream of chicken soup; 1 cup sour cream; 2 cups chopped, cooked chicken breast; 1/2 teaspoon black pepper; 1/2 cup shredded sharp cheddar cheese