Potato and cauliflower gratin

Indulge in a rich and creamy Potato and Cauliflower Gratin, featuring layers of tender potatoes and cauliflower smothered in a velvety blend of heavy cream, tangy mustard, and gooey mozzarella cheese. This savory side dish is perfect for any occasion!

  • 07 Apr 2025
  • Cook time 90 min
  • Prep time 10 min
  • 8 Servings
  • 5 Ingredients

Potato and cauliflower gratin

Potato and cauliflower gratin is a delightful dish that combines the earthy flavors of potatoes and cauliflower with the creamy richness of heavy whipping cream and the cheesy goodness of mozzarella. This gratin is perfect as a comforting side dish or even as a main course. The addition of mustard adds a subtle tang that complements the other ingredients beautifully. Follow these steps to create a delicious gratin that your family and friends will love.

Ingredients:

6 potatoes
1200g
1/2 cauliflower
450g
1 cup heavy whipping cream
230g
2 tsp mustard
10g
1/2 cup mozzarella cheese
60g

Instructions:

1. Preheat the Oven: Preheat your oven to 375°F (190°C).
2. Prepare the Vegetables:
- Peel the potatoes and slice them thinly (about 1/8 inch thick) using a sharp knife or mandolin.
- Cut the cauliflower into small florets.
3. Blanch the Vegetables:
- Bring a large pot of salted water to a boil.
- Add the potato slices and cauliflower florets to the boiling water and cook for about 5 minutes, until slightly tender.
- Drain the vegetables well and set aside.
4. Prepare the Cream Mixture:
- In a mixing bowl, combine the heavy whipping cream with the mustard.
- Season with salt and pepper to taste. Mix well.
5. Assemble the Gratin:
- Grease a large baking dish with butter or non-stick cooking spray.
- Layer half of the potato slices evenly on the bottom of the dish.
- Spread half of the cauliflower florets over the potatoes.
- Pour half of the cream mixture over the vegetables.
- Repeat with another layer of potatoes, cauliflower, and the remaining cream mixture.
6. Add the Cheese:
- Sprinkle the grated mozzarella cheese evenly over the top of the assembled gratin.
7. Bake:
- Cover the baking dish with aluminum foil and place it in the preheated oven.
- Bake for 30 minutes.
- Remove the foil and bake for an additional 20-25 minutes, or until the potatoes and cauliflower are tender and the top is golden and bubbly.
8. Serve:
- Remove the gratin from the oven and let it cool for a few minutes.
- Garnish with chopped fresh herbs if desired.
- Serve warm and enjoy!

Tips:

- Use a mandoline to slice the potatoes evenly for a consistent texture and cooking time.

- Blanch the cauliflower briefly before adding it to the dish to ensure it cooks through completely in the oven.

- Mix the heavy whipping cream with the mustard well before pouring it over the vegetables to ensure even distribution.

- Cover the dish with foil for the first half of the baking time to prevent the cheese from burning.

- Let the gratin rest for a few minutes after baking to allow the flavors to meld and the dish to set.

Potato and cauliflower gratin is an easy-to-make, flavorful dish that elevates the simple ingredients of potatoes and cauliflower into something truly special. With its creamy texture and gooey cheese crust, this gratin is bound to become a favorite at your dinner table. Serve it hot, and enjoy the compliments from your loved ones!

Nutrition Facts
Serving Size240 grams
Energy
Calories 250kcal12%
Protein
Protein 7g5%
Carbohydrates
Carbohydrates 30g9%
Fiber 4.33g11%
Sugar 3.25g3%
Fat
Fat 12g14%
Saturated 8g25%
Cholesterol 36mg-
Vitamins
Vitamin A 130ug14%
Choline 50mg9%
Vitamin B1 0.16mg13%
Vitamin B2 0.16mg12%
Vitamin B3 1.91mg12%
Vitamin B6 0.57mg33%
Vitamin B9 54ug14%
Vitamin B12 0.12ug5%
Vitamin C 54mg63%
Vitamin E 0.34mg2%
Vitamin K 13ug11%
Minerals
Calcium, Ca 100mg8%
Copper, Cu 0.19mg21%
Iron, Fe 1.52mg14%
Magnesium, Mg 50mg11%
Phosphorus, P 170mg13%
Potassium, K 840mg25%
Selenium, Se 3.40ug6%
Sodium, Na 50mg3%
Zinc, Zn 0.91mg8%
Water
Water 190g-
* Percent Daily Values are based on a 2000 calorie diet. Your daily values may be higher or lower depending on your calorie needs.

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