Slow-Simmered Tomato Basil Soup with Garlic and Thyme

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

A comforting tomato soup simmered gently with fresh basil, garlic, and thyme for deep, homestyle flavor. This mediterranean-inspired soups (vegetarian) ready in about 50 minutes pairs olive oil, yellow onion, garlic cloves for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 180 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.

★ 4.4 (9 ratings) Prep: 10 min Cook: 40 min Serves 6 Mediterranean cuisine 180 cal/serving
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Ingredients

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Instructions

  1. Step 1: Heat 3 tbsp olive oil in a large pot over medium heat. Add 1 medium diced yellow onion and sauté for 5-6 minutes until translucent and fragrant. Add 4 minced garlic cloves and cook for another 1 minute until fragrant but not browned.
  2. Step 2: Stir in one 28 oz can diced tomatoes with their juices and 4 cups vegetable broth. Add 2 fresh thyme sprigs, 1 tsp salt, 1/2 tsp black pepper, and 1 tsp sugar. Bring to a simmer and cook uncovered for 30 minutes to let flavors meld and soup reduce slightly.
  3. Step 3: Remove thyme sprigs, then stir in 1/4 cup chopped fresh basil leaves. Use an immersion blender to puree the soup until smooth but still slightly textured.
  4. Step 4: Stir in 1/2 cup heavy cream if using, warming gently for 3-4 minutes until heated through. Serve hot, garnished with extra basil if desired.

Frequently asked questions

How long does Slow-Simmered Tomato Basil Soup with Garlic and Thyme take to make?

Total time is about 50 minutes (10 min prep + 40 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 Slow-Simmered Tomato Basil Soup with Garlic and 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 olive oil from drying out.

Can I substitute ingredients in Slow-Simmered Tomato Basil Soup with Garlic and 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 Slow-Simmered Tomato Basil Soup with Garlic and 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 Slow-Simmered Tomato Basil Soup with Garlic and 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.

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