INGREDIENTS
1 cup
grated sharp cheddar cheese
1 cup
shredded Guyere cheese
1/2 cup
freshly grated Parmesan cheese
4
TB salted butter
6
garlic cloves, minced
1
medium onion, finely chopped
3
TB flour
3 cups
whole milk
1 1/2 tsp
table salt
1/2 tsp
freshly ground black pepper
4
lbs russet potatoes, peeled and cut into rounds (1/4" thickness)
Optional: chopped parsley or chives for garnish