# The Ingredients You'll Need:
→ Vegetables
01 - 2.6 lbs peeled potatoes, thinly sliced
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 for garnish
# Step-by-Step Instructions:
01 - Preheat the oven to 375°F (190°C). Grease a medium baking dish (about 9x11 inches) with butter.
02 - Melt butter in a small saucepan over medium heat. Add minced garlic and cook for 1 minute until fragrant.
03 - Stir in whole milk, heavy cream, salt, black pepper, and nutmeg if using. Warm gently until just heated without boiling, then remove from heat.
04 - Arrange half of the potato slices evenly in the baking dish. Top with half the sliced onions and half the grated cheddar cheese.
05 - Repeat layers with the remaining potatoes, onions, and cheese.
06 - Pour the warm milk and cream mixture evenly over the layered ingredients.
07 - Cover the dish tightly with aluminum foil and bake for 40 minutes.
08 - Remove foil and bake an additional 20 minutes until the top is golden and potatoes are tender.
09 - Allow to rest for 5 minutes before serving. Optionally garnish with chopped parsley.
