Asiago Roasted Onions

Sweet and tender roasted onions in a cream asiago sauce covered in meted cheese!

4 large yellow onions, peeled and sliced into 1/4 inch slices
olive oil
1/2 teaspoon thyme, chopped
salt and pepper to taste
1 cup of heavy cream
2 teaspoons dijon mustard
1/2 cup of asiago cheese, grated

Place the slices of onion in a single layer on the bottom of a greased baking dish, drizzle with oil and season with thyme, salt and pepper before roasting in a preheated 450F/230C oven for 20 minutes.
Meanwhile, heat the heavy cream in a small sauce pan until it starts to simmer, mix in the mustard and half of the cheese, let the cheese melt pour it over the onions before sprinkling on the remaining cheese.