Baked Yellow Potatoes with Cheese Sauce | Michigan Potatoes

Ingredients

• 24 ounces (about 1.5 pounds) yellow potatoes
• 5 Tbsp unsalted butter (a little more than half a stick)
• 2.5 ounces whole wheat (or all-purpose) flour
• 10 ounces milk
• 1 small onion, finely chopped
• 4-5 cloves garlic, minced
• 2 ounces shredded sharp cheddar cheese
• 2 ounces shredded gruyere cheese
• 1/4 tsp grated nutmeg
• Salt and pepper, to taste
• Garnish: Chopped chives