Garlic Parmesan Scalloped Potatoes

Name: Garlic Parmesan Scalloped Potatoes
Prep time: 15 min
Cook time: 1 h 15 min
Total time: 1 h 30 min
Cuisine: American
Ingredients: 4 tablespoons butter; 1 tablespoon garlic (minced or 4 large garlic cloves, minced); 4 tablespoons all-purpose (or plain flour); 4 cups milk (skim, 2% or full fat - more if needed); 1 teaspoon chicken bouillon powder (or Kosher salt); 1 pinch salt (to taste); 1/2 teaspoon black pepper; 2 1/2 pounds Yukon Gold potatoes (or Russets, peeled and sliced into 1/8-inch - 1/4-inch rounds); 2 cups shredded mozzarella cheese; 3/4 cup parmesan cheese (freshly grated); 1 tablespoon fresh chives (divided)