Classic Scalloped Potatoes
👨🍳 Instructions:
- Preheat oven to 180°C (350°F).
- In a saucepan, melt butter over medium heat.
- Add flour and whisk for 1 minute to form a roux.
- Gradually add milk while whisking until smooth and thickened.
- Stir in garlic, salt, and pepper.
- Layer half of the potatoes in a greased baking dish (add onions if using).
- Pour half of the sauce over the potatoes.
- Repeat with remaining potatoes and sauce.
- Cover with foil and bake for 40 minutes.
- Remove foil and bake another 20–25 minutes until tender and lightly golden.
