# Ingredient List:
→ Vegetables
01 - 2.6 lbs peeled and thinly sliced potatoes
02 - 1 large onion, thinly sliced
→ Dairy
03 - 3/4 cup plus 2 tbsp whole milk
04 - 2/3 cup heavy cream
05 - 1 cup grated cheddar cheese
06 - 2 tbsp unsalted butter, plus extra for greasing
→ Pantry
07 - 2 cloves garlic, minced
08 - 1 tsp salt
09 - 1/2 tsp black pepper
10 - 1/4 tsp ground nutmeg (optional)
→ Optional Toppings
11 - 2 tbsp chopped fresh parsley
# Directions:
01 - Preheat oven to 375°F. Grease a medium baking dish with butter.
02 - Melt butter in a small saucepan over medium heat. Add minced garlic and cook for 1 minute until fragrant. Stir in milk, cream, salt, pepper, and nutmeg if using. Warm gently without boiling, then remove from heat.
03 - Arrange half the potato slices evenly in the baking dish. Top with half the sliced onions and half the grated cheese.
04 - Add remaining potatoes, onions, and cheese in layers as before.
05 - Pour the warm milk and cream sauce evenly over the layered ingredients.
06 - Cover the dish tightly with aluminum foil and bake for 40 minutes.
07 - Remove foil and continue baking for another 20 minutes until the top is golden and potatoes are tender.
08 - Allow to rest for 5 minutes before serving. Garnish with chopped parsley if desired.