Preheat oven to 350 degrees F.

Heat 1 teaspoon of olive oil in a saute pan over medium heat.

Add 2 cloves of minced garlic and cook for 1 minute

Add in brussels sprouts and bacon, stir frequently. (cover the pan in between stirring)

Cook until brussel sprouts are tender and bacon is fully cooked, about 20 minutes.

Meanwhile heat the remaining 1 teaspoon of olive oil in a small saucepan.

Add in minced shallots and remaining 1 clove of garlic and cook for 2-3 minutes or until translucent.

Add 1 tablespoon of butter and melt.

Whisk in 1 tablespoon flour to made a roux.

Cook for 1 minute.

Slow whisk in milk, heat until bubbling.

Remove from heat and stir in Gruyere cheese.

When brussels sprouts are finished place them into a oven safe baking dish.

Pour Gruyere sauce over brussels sprouts, sprinkle with additional cheese is desired.

Bake in oven for 5-10 minutes until top is slightly browned.