The Best-Kept Secret Tomato Basil Soup

By AislePrompt Test Kitchen · Reviewed by AislePrompt Editorial · ·

A deeply flavorful, creamy tomato soup made with fresh herbs and a secret ingredient that makes it the best version you'll ever taste. This italian-inspired soups (vegetarian) ready in about 55 minutes pairs olive oil, medium finely diced onion, medium grated carrot 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.

★ 3.9 (12 ratings) Prep: 20 min Cook: 35 min Serves 6 Italian cuisine 180 cal/serving
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Ingredients

Instructions

  1. Step 1: Heat 2 tbsp olive oil in a large pot over medium heat. Add 1 diced medium onion, 1 grated medium carrot, and 2 diced celery stalks, cooking for 8 minutes until vegetables are softened and onions are translucent.
  2. Step 2: Add 3 minced garlic cloves and cook for 1 minute until fragrant, stirring constantly to prevent burning.
  3. Step 3: Pour in 28 oz canned crushed tomatoes and 1 cup vegetable broth, bringing to a gentle simmer. Add 1 tsp salt, 1/2 tsp black pepper, and 1/4 cup chopped fresh basil. Simmer uncovered for 20 minutes, stirring occasionally.
  4. Step 4: Remove from heat and use an immersion blender to puree soup until completely smooth (or carefully transfer to a regular blender in batches). Return to low heat and stir in 1/2 cup heavy cream, simmering for 5 minutes until heated through but not boiling.
  5. Step 5: Taste and adjust seasoning, adding more salt or pepper if needed, then serve immediately with extra basil for garnish.

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Frequently asked questions

How long does The Best-Kept Secret Tomato Basil Soup take to make?

Total time is about 55 minutes (20 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 The Best-Kept Secret Tomato Basil 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 olive oil from drying out.

Can I substitute ingredients in The Best-Kept Secret Tomato Basil 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 The Best-Kept Secret Tomato Basil Soup 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 The Best-Kept Secret Tomato Basil Soup 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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