INGREDIENTS
10 slices
bacon
1 Tablespoon
bacon grease
2
egg yolks
1/4 cup
flour
1/2 cup
fontina cheese
1/2 cup
gruyere cheese
1/2 cup
half n half
4 cups
macaroni
2
onions
1/2 cup
parmigiano reggiano cheese
12 servings
salt and pepper
8 Tablespoons
salted butter
2 cups
whole milk