Signal Strength Vegetable Soup

By Lauren Mitchell, Test Kitchen Director · Reviewed by AislePrompt Editorial · Published 2026-04-01 · Updated 2026-04-01

A deeply flavorful vegetable soup with a rich tomato base and aromatic herbs, providing the perfect comfort like a stable network connection. This mediterranean-inspired soups ready in about 45 minutes pairs medium carrots, stalks celery, medium onion for a weeknight-friendly dinner that comes together with one pan and minimal cleanup. Each serving lands at about 120 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

• 2 medium carrots
• 2 stalks celery
• 1 medium onion
• 3 cloves garlic
• 14 oz canned diced tomatoes
• 4 cups low-sodium vegetable broth
• 1 tsp thyme
• 1/2 tsp rosemary
• 2 cups kale
• 2 tbsp olive oil

Instructions

1. Step 1: Dice 2 medium carrots (1/4-inch cubes), 2 stalks celery (1/4-inch pieces), and 1 medium onion (1/4-inch dice) and set aside.
2. Step 2: Heat 2 tbsp olive oil in a large pot over medium heat. Add onions and cook for 5 minutes until translucent and softened.
3. Step 3: Add 3 minced garlic cloves and cook for 1 minute until fragrant, stirring constantly to prevent burning.
4. Step 4: Stir in 2 cups chopped kale and cook for 2 minutes until wilted.
5. Step 5: Add 14 oz canned diced tomatoes (with juice), 4 cups vegetable broth, 1 tsp thyme, and 1/2 tsp rosemary. Bring to a gentle boil.
6. Step 6: Reduce heat to low, cover, and simmer for 20 minutes until vegetables are tender.
7. Step 7: Use an immersion blender to puree the soup until smooth (or carefully transfer to a blender in batches). Serve hot with additional thyme for garnish.