- 4 large red onions, unpeeled
- 1 cup mascarpone cheese
- 4 cloves garlic, minced
- 1 shallot, diced
- 1 teaspoon minced fresh thyme
- Preheat oven to 425 degrees F (220 degrees C).
- Cut both ends off onions and place onto a baking sheet. Roast in preheated oven until centers are soft, about 15 minutes. Remove, and let onions cool.
- Reduce heat to 350 degrees F (175 degrees C).
- Peel onions and remove center core leaving 1/2 inch outer shell intact. Mince the center flesh and place in a bowl. Combine with mascarpone cheese, garlic, shallot, and thyme. Fill onion shells with cheese mixture and replace onto baking sheet.
- Bake until the surface of the cheese bubbles, about 10 minutes. Serve hot.