Cauliflower Gratin with Nutmeg

Name: Cauliflower Gratin with Nutmeg
Ingredients: 3 tablespoons extra virgin olive oil; 1/4 teaspoon red chili pepper flakes; 3 large shallots – peeled, halved and finely sliced; 1 large cauliflower (2 1/2 lbs) (1.1 kg) – florets trimmed from stalk and cut in 2” pieces; 4 large garlic cloves – skinned and finely chopped; 3/4 cup white wine; 1/2 teaspoon sea salt; Freshly ground black pepper to taste; 4 tablespoons unsalted butter; 1/4 cup unbleached all-purpose flour; 2 1/2 cups milk; 1/4 teaspoon sea salt; Freshly ground nutmeg to taste (use microplane grater); 4 oz (113gr) cave-aged gruyère – coarsely grated; 1 medium oval or rectangular ceramic or glass baking dish; or 6 half-cup capacity ramequins – lightly buttered