Twice-Baked Cheese Soufflé Casserole

By , Test Kitchen Director · Reviewed by AislePrompt Editorial · ·

A fluffy, twice-baked cheese soufflé transformed into a comforting casserole that can be made ahead and baked to golden perfection. This french-inspired father’s day ready in about 60 minutes pairs unsalted butter, all-purpose flour, warm whole milk for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 320 calories and feeds 6, so it slots cleanly into a weekly meal plan and pairs well with a quick salad or grain on the side. Tap "Plan a meal with the AI" below to drop this recipe into your week and send the ingredients straight to Instacart. Nutrition values are approximate, calculated from USDA FoodData Central (fdc.nal.usda.gov) — verify against ingredient labels for any health-driven dietary plan.

Prep: 25 min Cook: 35 min Serves 6 French cuisine 320 cal/serving
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Ingredients

Instructions

  1. Step 1: Preheat oven to 350°F. In a medium saucepan, melt 3 tbsp unsalted butter over medium heat. Whisk in 3 tbsp all-purpose flour and cook for 2 minutes until bubbling and slightly golden.
  2. Step 2: Gradually whisk in 1 1/4 cups warm whole milk until smooth. Cook, whisking constantly, until thickened and smooth, about 3-4 minutes. Remove from heat.
  3. Step 3: Beat 4 large egg yolks into the sauce one at a time, then stir in 1 1/2 cups grated Gruyère cheese, 1/2 tsp salt, and 1/4 tsp ground white pepper until melted and combined.
  4. Step 4: In a separate clean bowl, beat 4 large egg whites with 1/4 tsp cream of tartar until stiff peaks form. Gently fold the egg whites into the cheese mixture in three additions, careful not to deflate the mixture.
  5. Step 5: Transfer the batter into a buttered 2-quart casserole dish, smoothing the top. Sprinkle 1/4 cup grated Parmesan cheese evenly on top.
  6. Step 6: Bake for 30-35 minutes until puffed and golden brown on top. Remove from oven and let rest 5 minutes before serving warm.

Equipment for this recipe

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Frequently asked questions

How long does Twice-Baked Cheese Soufflé Casserole take to make?

Total time is about 60 minutes (25 min prep + 35 min cook). Most home cooks find this fits comfortably into a weeknight; double the batch on Sunday for two dinners.

How do I store leftover Twice-Baked Cheese Soufflé Casserole?

Cool to room temperature within 2 hours, then store in an airtight container in the fridge for up to 4 days. Reheat covered in a 350°F oven for 10-12 minutes, or microwave at 70% power in 60-second bursts to keep unsalted butter from drying out.

Can I substitute ingredients in Twice-Baked Cheese Soufflé Casserole?

Yes — most ingredients in this recipe have flexible swaps. For oil, use any neutral high-smoke-point oil (avocado, grapeseed, refined coconut). For aromatics, dried herbs at ⅓ the volume of fresh work in a pinch. The full ingredient list is shoppable on Instacart so you can see substitutes in real time.

How do I scale Twice-Baked Cheese Soufflé Casserole for a different number of people?

The recipe is written for 6 servings. Multiply each ingredient by (your serving target / 6). Cook time stays roughly the same up to 2x; for 3-4x batches, switch from a skillet to a sheet pan or stockpot so the food isn't crowded — overcrowding steams instead of browns.

What goes well with Twice-Baked Cheese Soufflé Casserole?

French father’s day like this pair well with a simple grain (rice, couscous, or crusty bread), a quick salad with acid (lemon vinaigrette, pickled onions), and a pan sauce or yogurt-based dip. Tap "Plan a meal with the AI" to get specific side suggestions.

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