Classic Book Soup

By · Reviewed by AislePrompt Editorial · ·

A rich, aromatic French onion soup with a golden cheese crust, evoking the cozy warmth of a beloved literary classic. This french-inspired soups ready in about 70 minutes pairs butter, medium, thinly sliced yellow onions, minced garlic for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 220 calories and feeds 4, 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: 20 min Cook: 50 min Serves 4 French cuisine 220 cal/serving
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Ingredients

Instructions

  1. Step 1: Melt 2 tbsp butter in a large pot over medium heat. Add 4 medium thinly sliced yellow onions and cook for 30 minutes, stirring every 5 minutes, until deeply golden and caramelized.
  2. Step 2: Add 4 minced garlic cloves and cook for 1 minute until fragrant.
  3. Step 3: Stir in 2 tbsp all-purpose flour and cook for 2 minutes until golden, stirring constantly.
  4. Step 4: Pour in 4 cups beef broth and 1/2 cup dry white wine, stirring to combine. Bring to a simmer and cook for 10 minutes.
  5. Step 5: Season with salt and pepper. Ladle soup into oven-safe bowls, top each with 1/2 cup grated Gruyere, and broil at 450°F for 3-4 minutes until cheese is melted and bubbly.
  6. Step 6: Serve with 4 slices toasted baguette topped with 1/4 cup grated Parmesan.

Equipment for this recipe

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Frequently asked questions

How long does Classic Book Soup take to make?

Total time is about 70 minutes (20 min prep + 50 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 Classic Book Soup?

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 butter from drying out.

Can I substitute ingredients in Classic Book Soup?

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 Classic Book Soup for a different number of people?

The recipe is written for 4 servings. Multiply each ingredient by (your serving target / 4). 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 Classic Book Soup?

French soups 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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