How do I keep my cauliflower steaks from falling apart?

Cutting from the center of the head gives you the core “spine” that holds the slabs together. Make sure your slices are at least 1½ inches thick—too thin and they’ll crumble before they reach the pan. A wide spatula also helps when flipping so the steaks stay intact.

How do I get the edges crispy instead of soft?

Two things matter most: enough oil and enough heat. A cast-iron pan helps the bottoms brown quickly, and flipping halfway gives the second side a chance to do the same. If the edges look pale, they just need more time—keep roasting until you see deep golden color.

Can I make roasted cauliflower steak ahead of time?

Yes, and it holds up surprisingly well. Roast the steaks, cool them completely, and store them in the fridge. When you’re ready to eat, a quick sear in a hot skillet brings the edges back to life. Reheat the gravy separately and thicken it with the slurry right before serving.

Roasted Cauliflower Steak | Olives for Dinner

Ingredients

Cauliflower Steaks

1 large head of cauliflower (cut into two 1½-inch cauliflower steaks)
1 tablespoon + 1 teaspoon olive oil
2 teaspoons rubbed sage
Salt and black pepper

Oyster Mushroom Gravy

1–2 teaspoons vegan butter
2 shallots, thinly sliced
¼ teaspoon salt
2 cloves garlic, minced
1 cup chopped oyster mushrooms (trim away any tough stems)
2 tablespoons dry white wine
2 cups vegetable stock
1 tablespoon cornstarch or arrowroot, whisked with 2 tablespoons cold water to create a slurry

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Instructions

Make the cauliflower:

Heat the oven to 400°F.
Cut the cauliflower steaks: Place the cauliflower stem-side down. Slice straight through the center, then cut one steak from each half (about 1½ inches thick).
Season the steaks: Coat a cast-iron pan with 1 tablespoon olive oil. Set the steaks in the pan and drizzle the remaining teaspoon of oil over the tops. Rub 1 teaspoon of sage onto each steak. Season with salt and pepper.
Roast the first side (25–30 minutes): Roast until the bottoms are deeply browned. Start checking at 20 minutes to prevent burning.
Flip and roast the second side (25–30 minutes): Turn the steaks, sprinkle with any remaining sage, and continue roasting until tender with crisp, browned edges.

Make the mushroom gravy:

Melt vegan butter in a small saucepan over medium-low heat. Add shallots and salt; cook 3 minutes. Add garlic; cook 1 minute.
Increase the heat to medium, stir in mushrooms, and cook 2 minutes. Raise the heat to medium-high for 1 minute more.
Deglaze: Add white wine, scraping up any browned bits.
Simmer: Add stock, bring to a gentle simmer, and cook 15–20 minutes until reduced.
Thicken: If serving immediately, stir in half the cornstarch slurry and add more as needed. If serving later, wait to thicken until reheating.

Serve:

Plate the roasted cauliflower steaks and top with hot mushroom gravy.
For make-ahead or meal prep: Chill the cooked cauliflower steaks, then recrisp them in a hot cast-iron pan with a little oil before serving.

Notes

Pan Choice: A cast-iron pan gives the most reliable browning because it retains heat evenly.
Storage: Refrigerate cooked cauliflower steaks in an airtight container for up to 3 days.
Reheat: Warm gently in a skillet over medium heat, adding a small splash of oil as needed.
Recrisp: For meal prep, chill cooked steaks, then recrisp in a hot cast-iron pan until the edges are browned again.
Gravy Prep: If serving later, make the gravy ahead, but wait to add the cornstarch/arrowroot slurry until reheating.
Mushroom Stems: Save trimmed oyster mushroom stems in the freezer for homemade stock.
Leftover Gravy: Gravy thickens as it cools; thin with a little broth or water when reheating if needed.

Author: erin wysocarski
Prep Time: 15 minutes
Cook Time: 1 hours
Category: Dinner
Method: Roasted, Simmered
Cuisine: American
Diet: Vegan