Remove from heat and add in the chicken broth and 1/2 cup of milk, whisking to make sure there are no lumps.
1/2 cup chicken broth, 2 cups milk
Return to heat and bring to a gentle boil, stirring until it thickens. Then whisk in the enchilada sauce. Continue to whisk the mixture as you add the rest of the milk.
10 ounce can of enchilada sauce
In the insert of the slow cooker, add beans, tomatoes, frozen corn, onions, and green bell pepper.
15 ounce can black beans, 14.5 ounce can diced tomatoes and green chilies, 10 ounce package frozen corn, 1 medium onion, 1 green bell pepper
Place the chicken on top of this mixture.
2 large chicken breasts
Pour the sauce you just made over the chicken.
Cover and cook on low for 6-8 hours or high for 3-4 hours.
Right before serving, take out the chicken and shred it. Then add it back into the pot and mix to combine well.
You can top this with whatever cheese you like and whatever toppings!