Tomato Soup
A smooth, comforting tomato soup made with ripe tomatoes, aromatics, and gentle simmering, delivering balanced acidity, natural sweetness, and a velvety texture suitable for everyday meals.
Quick Recipe Card
What This Recipe Is
A classic blended vegetable soup centered on tomatoes, gently cooked and pureed to create a smooth, warming dish with balanced flavor and consistent texture.
Ingredients
- 800 g ripe tomatoes (about 1.75 lb), chopped
- 100 g onion (1 medium), chopped
- 3 cloves garlic (10 g), minced
- 500 ml vegetable stock (2 cups)
- 30 ml olive oil (2 tbsp)
- 5 g salt (1 tsp), or to taste
- 2 g black pepper (½ tsp)
Equipment
- Large pot
- Knife and cutting board
- Blender or immersion blender
- Ladle
Instructions
Step 1:
Heat olive oil in a pot over medium heat.
Step 2:
Add chopped onion and cook for 5 minutes until soft.
Step 3:
Add minced garlic and cook for 1 minute.
Step 4:
Add chopped tomatoes and stir well.
Step 5:
Pour in vegetable stock and bring to a gentle simmer.
Step 6:
Simmer for 20 minutes until tomatoes are fully softened.
Step 7:
Remove from heat and blend until smooth.
Step 8:
Return to heat, add salt and black pepper, and simmer for 3–5 minutes.
Step 9:
Rest for 5 minutes before serving.
Visual Cooking Cues
- Onions become translucent, not browned
- Tomatoes break down and lose firmness
- Soup becomes uniformly red and smooth after blending
Chef Tips
- Use strained tomatoes for extra smoothness if desired
- Adjust salt after blending for accuracy
- Add a small amount of sugar only if tomatoes are overly acidic
Common Mistakes
- Overboiling leading to harsh acidity
- Undercooking onions resulting in sharp flavor
- Insufficient blending causing uneven texture
Troubleshooting
- Too acidic: Add a pinch of sugar or more stock
- Too thin: Simmer longer to reduce
- Too thick: Add warm stock gradually
Ingredient Pairings
- Bread (crusty loaf, toast)
- Cheese (mild or sharp)
- Herbs (basil, parsley)
Substitutions
- Olive oil → Butter (same quantity)
- Vegetable stock → Water with seasoning
- Fresh tomatoes → Canned tomatoes (800 g / 28 oz)
Recipe Family Variations
- Creamy: Add 50 ml cream (3 tbsp)
- Chunky: Blend partially
- Spiced: Add mild chili
Serving Suggestions
Serve hot with bread or sandwiches as a light meal or starter.
Dietary Classification
- Vegetarian
- Gluten-free
Nutrition Information
Approximate per serving:
- Calories: 120 kcal
- Protein: 3 g
- Fat: 5 g
- Carbohydrates: 15 g
- Fiber: 3 g
- Sodium: 400 mg
Storage / Reheating
Storage
- Refrigerate up to 3 days
- Freeze up to 2 months
Reheating
- Reheat gently over medium heat (~70°C / 158°F)
- Stir to maintain consistency
FAQ
Can I use canned tomatoes?
Yes, they provide consistent flavor.
Can I make it creamy?
Yes, add cream after blending.
Can I skip blending?
Yes, for a rustic texture.
Why This Recipe Works
Controlled simmering softens tomato acidity while enhancing natural sweetness. Blending ensures a uniform texture, while fat from olive oil carries flavor and improves mouthfeel.
Recipe Identity
A globally recognized comfort soup with variations across cultures, typically served warm and often paired with bread or sandwiches.
Dish Classification
- Dish type: Soup
- Course: Starter or main
- Meal type: Lunch, dinner
- Traditional or modern dish: Traditional
- Street food or home cooking: Home cooking
- Festival or everyday food: Everyday food
Recipe History
Tomato soup became widely popular in Europe and North America after tomatoes were embraced as a culinary ingredient in the 18th–19th centuries, evolving into both rustic and refined forms.
Cultural Notes
Tomato soup is widely adapted globally, reflecting local ingredients and flavor preferences.
Advanced Cooking Knowledge Open detailed cooking science and reference notes
Flavor, Texture, and Aroma Profile
- Bright tomato acidity balanced with subtle sweetness
- Smooth, velvety consistency
- Light herbal and savory aroma
Flavor Balance
- Dominant: Acidic and umami
- Supporting: Sweet and aromatic
- Background: Mild bitterness from cooked tomato skins (controlled by blending)
Flavor Components
- Sweet: Tomatoes, onion
- Salt: Added salt, stock
- Acid: Tomatoes
- Bitter: Minimal from tomato skin and garlic
- Umami: Tomatoes, vegetable stock
- Aromatic elements: Garlic, onion, olive oil
Ingredient Notes
- Use ripe tomatoes for natural sweetness
- Vegetable stock should be low-sodium for better control
- Olive oil enhances flavor and smoothness
Ingredient Science
- Tomatoes contain glutamates contributing to umami
- Cooking reduces sharp acidity and develops sweetness
- Fat improves flavor dispersion and texture
Ingredient Roles
- Tomatoes: Base flavor and body
- Onion: Sweetness and depth
- Garlic: Aromatic sharpness
- Stock: Liquid base and umami
- Olive oil: Mouthfeel and flavor carrier
Ingredient Classification
- Vegetables: Tomato, onion, garlic
- Liquid base: Vegetable stock
- Fat: Olive oil
- Seasoning: Salt, pepper
Preparation Techniques
- Chopping vegetables evenly for uniform cooking
- Pre-heating oil before adding aromatics
Cooking Techniques
- Sweating onions and garlic
- Simmering for flavor development
- Blending for smooth consistency
Heat Management
- Low heat stages: Sweating onion and garlic
- Medium heat stages: Simmering soup
- High heat stages: Initial heating only
- Temperature cues: Gentle bubbling, not vigorous boiling (~90–95°C / 194–203°F)
Texture Development
Blending breaks down fibers, creating a smooth texture. Proper simmering softens ingredients without over-reducing.
Cooking Time Control
- Avoid overcooking to prevent excessive acidity concentration
- Maintain steady simmer for even cooking
Flavor Pairing Logic
Tomato acidity pairs well with fats and starches, balancing sharpness and enhancing mouthfeel.
Global Variations
- Italian-style: Add basil
- American-style: Serve with grilled cheese
- Indian-style: Add spices like cumin
Leftover Ideas
- Use as pasta sauce base
- Add grains for a thicker soup
Cooking Safety Notes
- Blend carefully when hot to avoid splashing
- Ensure even heating before serving
Sustainability Notes
- Use seasonal tomatoes for lower environmental impact
- Utilize vegetable scraps for homemade stock
