Firehouse Onions
["1 large (3 to 4-inches across top) onion per serving", "1/8-inch slice butter (per slice of onion)"]
["Preheat oven to 350\u00b0.", "Skin the onion and slice from top until almost through the bottom.", "Slices should be approximately 1/4-inch thick.", "Place the 1/8-inch butter pat between each slice. Wrap each prepared onion in aluminum foil and twist the top closed.", "Place in a baking pan for approximately 1 hour or until soft when lightly squeezed."]
["onion", "butter"]