INGREDIENTS
3 tbsp
butter
4 larges
garlic cloves
3 tbsp
flour
1 cup
chicken stock
2 cups
milk i used milk
1 tsp
kosher salt
1/2 tsp
pepper
2 tsp
thyme leaves
4 lb
yukon gold potatoes
1 1/2 cups
sharp cheddar cheese
1/2 cup
parmesan cheese freshly
1 small