Roast Chicken

1 roasting chicken (about 1/2 kilo), dressed
1/3 cup soy sauce
1 tbsp. calamansi or lemon juice
Butter or margarine

Marinate chicken in soy sauce and calamansi juice. Let stand 30mins. Remove chicken from marinade, stuff. Sew openings. Tuck neck by pushing in over skin. Truss wings at the side with a piece of string. Brush with margarine and wrap in aluminum foil. Bake at 324°F for 1 hour. Unwrap and continue baking until chicken is golden brown. Baste occasionally with margarine. Serve with gravy.