1. Preheat oven to 375°
2. In a large oven-safe skillet over medium heat, melt butter.
3. Add minced shallots and brussels sprouts and season with salt and cayenne.
4. Cook, stirring occasionally, until tender.
5. Remove from heat and drizzle with cream, then top with cheddar, Gruyère, and bacon.
6. Bake until heated through and cheese is bubbly, 12 to 15 minutes.
7. ***cooking time may vary with large quantities