Scalloped Potatoes with Caramelized Onions and Gruyere
Ingredients 2 Tbsp olive oil 4 cups thinly sliced onions (sliced crosswise, see how to slice onions) 6 medium-small Yukon gold potatoes (about 1 1/2 pounds), peeled, thinly sliced (1/8-inch thick, it helps to use a mandoline) 3/4 cup grated Gruyere cheese, divided 1/2 cup, 1/4 cup 1/2 cup grated Parmesan cheese 1 teaspoon salt … Read more