Potato & onion gratin
Potato & onion gratin features layers of thinly sliced potatoes and onions, baked in a creamy sauce and topped with cheddar cheese for a comforting, cheesy dish. Perfect for family dinners or special occasions, it’s easy to prepare and sure to please any crowd.
Cook time 65 min
Prep time 40 min
Ingredients:
1 cup light sour cream1/2 cup milk (1% fat)
1 onion
5 potatoes
1/2 cup cheddar cheese
Potato & onion gratin is a classic, comforting side dish that's easy to make and perfect for any occasion. This dish combines creamy, cheesy layers of thinly sliced potatoes and onions, all baked to golden perfection. Whether you're serving it at a family dinner or a holiday feast, this recipe is sure to be a crowd-pleaser.
Instructions:
- Peel the potatoes and slice them into thin, even rounds (about 1/8 inch thick).
- Peel the onion and slice it thinly as well.
- In a mixing bowl, combine the light sour cream and 1% milk. Stir well until the mixture is smooth and thoroughly combined.
- Lightly grease a baking dish (approximately 9x13 inches) with butter or non-stick spray.
- Arrange half of the potato slices evenly in the bottom of the baking dish.
- Spread half of the sliced onions over the potatoes.
- Pour half of the sour cream and milk mixture over the layered potatoes and onions.
- Repeat with the remaining potatoes and onions, creating another layer.
- Pour the remaining cream mixture over the top.
- Cover the baking dish with aluminum foil and place it in the preheated oven.
- Bake for about 45 minutes.
- After 45 minutes, remove the foil and sprinkle the grated cheddar cheese evenly over the top of the gratin.
- Return the dish to the oven and bake, uncovered, for an additional 15-20 minutes or until the potatoes are tender, and the cheese is melted and golden brown.
- Remove the gratin from the oven and let it cool for about 5 minutes before serving.
- Garnish with fresh herbs like chives or parsley if desired.
Potato & onion gratin is a versatile and delicious dish that can elevate any meal. With its rich flavors and creamy texture, it’s a wonderful addition to your recipe repertoire. Follow these simple steps and tips to create a savory, crowd-pleasing side dish that everyone will love.
Potato & onion gratin FAQ:
Use a baking dish that is approximately 9x13 inches. This size allows for even layering of the potatoes and onions.
Initially, bake the gratin covered with aluminum foil for about 45 minutes. After that, remove the foil, add the cheese, and bake for an additional 15-20 minutes until the cheese is golden brown.
Yes, you can substitute light sour cream with plain yogurt or cottage cheese for a similar texture. Use any low-fat milk option if 1% milk is unavailable.
The potatoes are done when they are tender and easily pierced with a fork. The cheese on top should also be melted and golden brown.
Store any leftovers in an airtight container in the refrigerator for up to 3-4 days. Reheat in the oven or microwave until heated through.
Tips:
- Use a mandoline to evenly slice the potatoes and onion for a uniform cook.
- Opt for starchy potatoes like Russet or Yukon Gold for the best texture.
- Season each layer with salt and pepper to ensure the best flavor.
- Allow the gratin to cool for a few minutes before serving to let it set.
Nutrition per serving
6 ServingsCalories 230kcal
Protein 8g
Carbohydrates 36g
Fiber 3.85g
Sugar 3.54g
Fat 7g
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