How to Make It
Preheat oven to 225°F. Spread spring onion pieces on bottom of a 9- x 13-inch ceramic or glass baking dish. Add garlic and peel to dish. Pour oil over solids to completely cover. Place pan in oven; bake until bulbs are very tender, about 2 hours. Let cool to room temperature before using. Store covered in fridge for up to a week.