These Scalloped Potatoes can all be made in one skillet and baked in your casserole dish. Butter, onion, garlic, milk and potatoes team up for this delicious Holiday Side Dish.
Preheat oven to 350 and grease a 1-1/2 quart casserole dish with nonstick cooking spray. Set aside.In a fry pan, add butter, onion and garlic. Heat over medium heat until onions are tender.