Sunday Roasted Cauliflower Gratin

Highlighted under: Rustic Inspiration

Sunday Roasted Cauliflower Gratin

Nell Abernathy

Created by

Nell Abernathy

Last updated on 2026-01-13T04:59:34.816Z

Sunday Roasted Cauliflower Gratin

Sunday Roasted Cauliflower Gratin

Choosing the Right Cauliflower

When selecting cauliflower for your gratin, opt for heads that are compact and dense with tightly packed florets. Look for a bright, even color without brown spots, which can indicate past freshness. A medium-sized head (about 2-3 pounds) is ideal, providing enough volume while ensuring even cooking. If you're making this dish for a larger gathering, you can easily scale up by using multiple heads, just ensure each is similarly fresh.

Using fresh cauliflower will yield the best texture and flavor. Once you've brought it home, store it in the refrigerator, unwashed, in a loose plastic bag within the crisper drawer. This keeps it fresh for about a week. If you’re short on time, frozen cauliflower can be a convenient substitute; just ensure it's thawed and excess moisture is removed to prevent a soggy gratin.

Perfecting the Gratin Technique

The key to a successful cauliflower gratin lies in the layering and proper baking technique. Start by blanching the cauliflower florets in salted water for 2-3 minutes until slightly tender; this step enhances the flavor and ensures even cooking. After blanching, immediately plunge them into an ice bath to halt the cooking process. This technique preserves their bright color and firm texture, giving your gratin a visually appealing and delicious bite.

When assembling the gratin, aim to create a balance between the creamy sauce and the vegetables. Pour enough cheese sauce so it coats each floret without drowning them. A bonus tip: sprinkle some cheese directly between layers for added flavor richness. Bake the gratin at 375°F for about 30-35 minutes or until the top is golden and bubbling; keep an eye on it to prevent over-browning.

Secondary image

Serving Suggestions

Sunday Roasted Cauliflower Gratin can shine as a side dish, complementing rich proteins like roasted chicken or beef tenderloin. The creamy, cheesy sauce pairs exceptionally well with crispy skin meats, adding a lush contrast. Alternatively, serve it alongside a fresh salad to balance the indulgent flavors with crispness.

For a complete vegetarian meal, consider adding ingredients like steamed broccoli or peas into the gratin before baking. This variation not only enhances nutrition but also adds color, making the dish even more appealing. Pair it with a light vinaigrette salad for a perfect balance.

Storage and Reheating

If you find yourself with leftovers after the weekend, don’t worry! The gratin can be stored in an airtight container in the fridge for up to 3 days. To reheat, place it in the oven at 350°F for 15-20 minutes until warmed through and the top is crispy again. Alternatively, you can microwave individual portions, but this may result in a slightly softer texture.

For longer storage, the gratin can be frozen. To do this, let it cool completely, then wrap tightly in plastic wrap followed by aluminum foil. It will keep in the freezer for up to 3 months. When you're ready to enjoy, thaw it in the fridge overnight and reheat as mentioned above for the best results.

Sunday Roasted Cauliflower Gratin

Sunday Roasted Cauliflower Gratin

Created by: Nell Abernathy

Recipe Type: Rustic Inspiration

Skill Level: Easy