INGREDIENTS
2 larges
onions
2 Tablespoons
butter
1 tbsp
olive oil
6 strips
bacon
1 lb
pasta shells
1/4 cup
butter
1/4 cup
flour
1 cup
heavy cream
2 cups
milk
1 tsp
mustard powder
1/2 tsp
thyme
1/4 tsp
garlic powder
1 tsp
hot sauce
1 cup
gruyere cheese
2 cups
cheddar cheese
1/4 cup
parmesan cheese