Spring Onion and Thyme Soup with Herb Croutons
A comforting, aromatic soup featuring sweet spring onions and fresh thyme, topped with crispy herb croutons. This french-inspired soups (vegetarian) ready in about 35 minutes pairs medium, thinly sliced spring onions, thyme sprigs, chicken or vegetable broth for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 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.
Ingredients
- 4 medium, thinly sliced spring onions
- 4 thyme sprigs
- 4 cups chicken or vegetable broth
- 1 cup diced potatoes
- 1 teaspoon dried thyme
- 1 cup baguette slices
- 2 tablespoons olive oil
Instructions
- Step 1: Heat 2 tablespoons olive oil in a large pot over medium heat. Add 4 thinly sliced spring onions and cook for 5 minutes until softened and slightly golden, stirring occasionally.
- Step 2: Add 1 cup diced potatoes and 4 fresh thyme sprigs to the pot, then pour in 4 cups chicken or vegetable broth. Bring to a simmer, cover, and cook for 15 minutes until potatoes are tender.
- Step 3: Remove thyme sprigs, then stir in 1 teaspoon dried thyme. Simmer uncovered for 5 more minutes to concentrate flavors. Meanwhile, toss 1 cup baguette slices with 2 tablespoons olive oil and toast in a 375°F (190°C) oven for 8-10 minutes until crisp, then sprinkle over soup before serving.
Frequently asked questions
How long does Spring Onion and Thyme Soup with Herb Croutons take to make?
Total time is about 35 minutes (10 min prep + 25 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 Spring Onion and Thyme Soup with Herb Croutons?
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 thyme sprigs from drying out.
Can I substitute ingredients in Spring Onion and Thyme Soup with Herb Croutons?
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 Spring Onion and Thyme Soup with Herb Croutons 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.
Is Spring Onion and Thyme Soup with Herb Croutons vegetarian?
Yes — this recipe is tagged vegetarian based on its ingredient list. Always cross-check labels for packaged ingredients (sauces, broths, condiments) since formulations vary by brand.
What others are saying
- ★★★★★
This soup was a hit at my dinner party!
- ★★★★★
Made it for my kids and they loved the croutons.
- ★★★★★
So fragrant and comforting, I'll make it again tomorrow.
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