Bacon Brussel Sprouts Gratin.

You can cook Bacon Brussel Sprouts Gratin using 12 ingredients and 7 steps. Here is how you achieve that.

Ingredients of Bacon Brussel Sprouts Gratin

1. It's of brussel sprouts, halved.
2. It's of bacon, cooked and crumbled.
3. You need of sharp cheddar cheese, grated.
4. Prepare of fontina cheese, grated, optional.
5. You need of heavy cream.
6. It's of extra-virgin olive oil.
7. Prepare of egg.
8. You need of fresh rosemary, minced.
9. It's of garlic powder.
10. Prepare of onion powder.
11. It's of red pepper flakes, optional.
12. Prepare of Kosher salt and freshly ground pepper.

Bacon Brussel Sprouts Gratin instructions

1. Pre-heat oven to 400°F..
2. Place brussel sprouts in a baking dish and toss in olive oil and season generously with salt and pepper..
3. Roast in oven for 15-20 minutes, or until semi-softened..
4. Meanwhile, in a large bowl, whisk together egg, heavy cream, rosemary, garlic powder, onion powder and red pepper flakes (if using), then stir in cheeses..
5. Remove brussel sprouts from oven and add 3/4 of the bacon to the baking dish. Pour cheese mixture over the top and stir everything together, then top with remaining bacon..
6. Reduce oven temperature to 350º, return baking dish to oven and bake for 20-25 minutes, or until cheese is bubbly and just set..
7. Remove from oven and let cool 5 minutes before serving..