Ingredients

The following ingredients have 4 Servings
  • 9 small and medium yellow onions
  • 1/4 cup olive oil
  • 2 tablespoons unsalted butter, thinly sliced
  • coarse sea salt
  • fresh cracked black pepper
  • fresh rosemary sprigs

Instruction

  • Place a rack in the upper third of the oven and preheat oven to 375 degrees F.
  • Cut the tops off of each onion, but leave most of the skins on the onion.
  • Arrange the onions in a square baking dish or a rimmed sheet pan.
  • Drizzle the olive oil over the onions. Place a thin pat of butter on each onion.
  • Sprinkle generously with salt and pepper and top with a rosemary sprig.
  • Bake for 25 minutes until bubbling and tender.
  • Increase the oven temperature to 400 degrees F and cook for another 15 to 20 minutes until the onions are completely tender and the tops are browned.
  • Remove from the oven and allow to cool slightly.
  • Remove the skins, slice and enjoy warm.