Place chicken, onions, and garlic in your slow cooker
Pour over the salsa verde and cover. Cook on low 4-6 hours or high 2-3 hours
When the chicken reaches an internal temperature of 165F and is cooked through, shred with two forks.
Combine chicken broth, half-and-half, sour cream, green chilies, and 2 tablespoons cilantro together in a saucepan over medium heat. Season with salt and pepper to taste. Pour a spoonful of the cream sauce into each meal prep container.
Lightly fry the tortillas (optional) and assemble them in the meal prep containers by placing 2 tablespoons of cheese in the center of each tortilla and top with ⅓ cup shredded chicken mixture. Fold the tortilla over the filling and roll to close.