Roasted Onion Gratin with Cheddar and Bacon

 

Ingredients
2 medium yellow onions, cored and quartered lengthwise
2 tablespoons olive oil
coarse salt and freshly ground black pepper, to taste
2 tablespoons unsalted butter
2 tablespoons flour
1 + 1/2 cups heavy cream
¼ cup dry white wine, optional
a grate (or a pinch) or two of fresh nutmeg
heaping 1/2 cup of sharp white cheddar
2 slices bacon, cooked, crumbled
 
Instructions
  1. Heat oven to 350 degrees F. Add onions to an 8x8 (or 10ish by 6ish) deep-sided baking dish Drizzle with oil and massage onions with your hands so they are completely coated. Sprinkle with salt and pepper.
  2. Bake 1 hour, halfway through remove from oven and spoon oil off bottom of pan back over onions, return to oven. Once onions are done remove the pan and turn oven up to 400 degrees F.
  3. Heat butter in a medium saucepan over medium-low heat; add flour and stir until smooth; cook 2 minutes stirring often. Whisk in cream and wine until smooth. Continue whisking about 5 minutes. Season with salt, pepper, and nutmeg.
  4. Pour sauce evenly over onions. Sprinkle with cheddar and bacon. Bake 20-25 minutes until bubbly and golden on top. Let set 5 minutes before serving.

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