Rustic Breton Potato and Leek Soup with Thyme
A comforting, velvety soup blending potatoes and leeks, gently infused with fresh thyme reminiscent of Brittany’s countryside. This french-inspired soups (vegetarian) ready in about 45 minutes pairs unsalted butter, minced garlic cloves, fresh thyme sprigs for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 210 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.
Ingredients
- 3 medium, white and light green parts only, sliced leeks
- 4 medium, peeled and diced into 1/2-inch cubes russet potatoes
- 3 tbsp unsalted butter
- 2, minced garlic cloves
- 3 fresh thyme sprigs
- 6 cups vegetable broth
- 1/2 cup heavy cream
- 1 1/2 tsp sea salt
- 1/2 tsp black pepper
- 2 tbsp, finely chopped fresh chives
Instructions
- Step 1: Melt 3 tbsp unsalted butter in a large pot over medium heat. Add 3 sliced leeks and 2 minced garlic cloves, sauté for 6-7 minutes until softened and fragrant but not browned.
- Step 2: Add 4 diced russet potatoes and 3 fresh thyme sprigs, stirring for 2 minutes to coat the potatoes in butter.
- Step 3: Pour in 6 cups vegetable broth and bring to a boil. Reduce heat to low, cover, and simmer for 25 minutes until potatoes are very tender.
- Step 4: Remove thyme sprigs, then use an immersion blender to puree the soup until smooth and creamy.
- Step 5: Stir in 1/2 cup heavy cream, 1 1/2 tsp sea salt, and 1/2 tsp black pepper. Heat gently for 3 minutes until warmed through.
- Step 6: Ladle soup into bowls and garnish each with 2 tbsp chopped fresh chives before serving.
Equipment for this recipe
Top-rated tools to make this recipe successfully.
Frequently asked questions
How long does Rustic Breton Potato and Leek Soup with Thyme take to make?
Total time is about 45 minutes (10 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 Rustic Breton Potato and Leek Soup with Thyme?
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 Rustic Breton Potato and Leek Soup with Thyme?
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 Rustic Breton Potato and Leek Soup with Thyme 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.
Is Rustic Breton Potato and Leek Soup with Thyme 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.
