Ingredients
1/4 cup butter
1 1/2 cups onion, diced
2 tbsp all-purpose flour
2 cups whole milk
2 cloves garlic
2 1/4 cups shredded cheese (I used a blend of cheddar, mozzarella, and monterey jack), divided
1/3 cup chives, snipped
4 large yukon gold potatoes (any kind will do), skins on, thinly sliced
Preparation
