I am a super huge fan of the crockpot. It is one of my favorite cooking implements- seriously, ANYTHING you put in there & cook all day, tastes amazing! Here is a great recipe I've stolen from Carolyn at Synergy Fitness.
Haven't tried it yet, but I will & man! does it sound YUMMY!

Chicken & Sweet Potato Stew

Prep Time: 20 minutes
Cook Time: 5 hours
Total Time: 5 hours 20 minutes
Makes 6 servings

Ingredients

6 bone-in chicken thighs, skin removed, trimmed of fat
2 pounds sweet potatoes, peeled and cut into spears
1/2 pound white button mushrooms, thinly sliced
6 large shallots, peeled and halved
4 cloves garlic, peeled
1 cup dry white wine
2 teaspoons chopped fresh rosemary, or 1/2 teaspoon dried rosemary, crushed
1 teaspoon sea salt
1/2 teaspoon freshly ground pepper
1 1/2 tablespoons white-wine vinegar

Directions,

1. Place chicken, sweet potatoes, mushrooms, shallots, garlic, wine, rosemary, salt and pepper in a 6-quart slow cooker; stir to combine. Put the lid on and cook on low until the potatoes are tender, about 5 hours. Before serving, remove bones from the chicken, if desired, and stir in vinegar.

**You can freeze this stew for up to 1 month.