Cook the bacon. Over a high heat, cook the bacon until golden & crispy. Using a slotted spoon, remove the bacon from the skillet leaving behind the bacon grease. Place the bacon on a paper towel-lined plate for later use.
Sautee the Brussel sprouts.
Lower heat to a medium-high & add the butter. Allow the butter to melt & then add Brussels sprouts & garlic. Sautee until golden & tender - about 3 minutes.
Add the seasoning. Once the Brussel sprouts are tender, add the salt, pepper, onion powder, & dried parsley. Mix to combine.
Add cream & bacon. Lower the heat & add the heavy cream & cooked bacon. Simmer for 5 minutes.
Top with cheese. Sprinkle over the mozzarella & parmesan cheese.
Bake.
Place the skillet in the oven & bake for 15 - 20 minutes.
(optional) Broil.
You can broil the dish for 5 minutes if you prefer a more golden cheese topping.