Rinse chicken with cold water; pat dry with paper towel.  Preheat oven to 450 F.  Line a roasting pan with aluminum foil.

In large saucepan over medium high heat, combine Lager Beer, molasses, peanut butter, lemon juice, Worcestershire sauce, mustard, salt and chili powder.  Bring to a boil; reduce heat and simmer, covered, about 15 minutes.

Place chicken wings in large mixing bowl.  Pour sauce over wings and toss until wings are completely coated.

Pour wings and sauce into prepared pan.  Place in oven and cook 25 minutes.  Remove wings from oven and cool 10 minutes.  Place wings on large platter and top with chopped parsley.