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.
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!
A large baking dish, approximately 9x13 inches, is ideal for this gratin recipe. This size will allow for even layering and proper baking of the potato and cauliflower.
The gratin is done when the potatoes and cauliflower are tender, and the top is golden and bubbly. You can test the doneness by piercing the vegetables with a fork to ensure they are soft.
You can substitute heavy cream with half-and-half or whole milk, but the gratin may be less rich and creamy. Keep in mind that cooking times might slightly vary.
Store leftover gratin in an airtight container in the refrigerator for up to 3 days. Reheat in the oven at 350°F (175°C) until warmed through.
Dijon mustard is recommended for its tangy flavor that complements the cream and cheese, but you can also use yellow mustard if that's what you have on hand.
- 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.
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