Sweet Onions in Parchment

• 4 lbs walla walla onions (about 6 medium)
• olive oil, for brushing
• 2 anchovies, drained and coarsely chopped
• 4 tablespoons unsalted butter, cold and cut into small pieces
• 6 tablespoons balsamic vinegar
• kosher salt
• fresh ground black pepper
• 6 pieces parchment paper, 8 in square
• 6 pieces aluminum foil, 8 in square

1. Preheat oven to 350 degrees F.
2. Trim the base of each onion so that it can stand upright.
3. With a sharp knife remove the top of each onion, leaving the skin around the onion intact.
4. Place one sheet of the parchment paper atop each aluminum sheet and brush a little grease on the parchment paper.
5. Rub each onion all over and place in the center of each prepared parchment packet.
6. Sprinkle each onion with anchovy bits and bits of butter, sprinkle with vinegar, season lightly with salt and pepper.
7. Fold the parchment and foil up over the onion and seal tightly.
8. Place the packets on a baking sheet and bake until a knife can easily be inserted into the top of the onion, 50 to 60 minutes.
9. Unwrap and serve with drippings from the packet spooned over top.

walla walla onions, olive oil, anchovies, unsalted butter, balsamic vinegar, kosher salt, fresh ground black pepper, parchment paper, aluminum foil

Taken from www.food.com/recipe/sweet-onions-in-parchment-381782 (may not work)