1 (3 to 4 lb) whole chicken
1/2 cup chopped onion
2 tbsp butter
1 lemon, juiced
2 tsp grated lemon peel
1 tbsp fresh parsley, coarsley chopped
1/4 tsp salt
1/4 tsp thyme
Rinse chicken and pat dry with paper toweling. Remove and discard any excess fat.
Place the onion in the chicken's cavity and rub the butter over the skin. Place in a slow cooker or crockpot. Squeeze the lemon juice over the chicken and sprinkle with the parsley, lemon peel, salt, and thyme.
Cover and cook on low for 6 to 8 hours or until chicken is cooked through.