Scalloped Potatoes

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Creamy, comforting, and irresistibly rich, these scalloped potatoes are the ultimate classic side dish. Thinly sliced potatoes are layered with onions, butter, and a velvety milk sauce, then baked until tender with a golden crust. Perfect for holidays or everyday dinners, this dish delivers cozy, homemade flavor in every bite.

Prep Time30

Cook Time45

Total Time1 15

Course: Side Dish

Cuisine: American

Keyword: comfort food, creamy potatoes, holiday side dish, potato casserole, scalloped potatoes

Cooking Method: Oven

Diet: Vegetarian

Servings:

Calories: 398kcal

Author: MelanieCooks.com

Equipment

9x13 inch baking dish
Oven
Mixing bowls
Saucepan
Measuring Cups
Measuring Spoons

Ingredients

3 pounds russet potatoes thinly sliced
1/2 onion thinly sliced
9 tbsp all-purpose flour divided
6 tbsp butter cubed and divided
1 1/2 tsp salt to taste
1/2 tsp black pepper to taste
3 cups whole milk warmed, or as needed
2 tbsp parsley chopped, optional, for garnish

Instructions

Preheat your oven to 375°F and grease a 9x13-inch baking dish.
Layer one-third of the potatoes and one-third of the onions in the dish. Sprinkle with 3 tablespoons flour, add butter pieces, and season with some of the salt and pepper.
Repeat the layering process two more times, finishing with the final layer of potatoes and seasoning evenly.
Heat the milk in a saucepan over medium-low heat until hot but not boiling.
Pour the warm milk evenly over the layered potatoes until it reaches the top layer.
Place the dish in the oven and bake for 45 to 60 minutes, until the potatoes are tender and the top is golden and bubbling.
Remove from the oven and let the dish rest for a few minutes.
Sprinkle with chopped parsley if desired, then serve warm.

Notes

Warming the milk helps the potatoes cook evenly and reduces overall baking time.
Place a baking sheet under the dish while baking to catch any bubbling overflow.

Nutrition