3 Peel the shallots. Divide the garlic and peel. Toss together with the olive and walnut oils, season and roast for 30 minutes, tossing occasionally to prevent sticking, until soft and golden.
4 To make the dressing; fry the bacon then when crispy, remove and set aside. Reserve the fat.
5 Whisk the remaining ingredients together while adding the bacon fat. Season.