Vegan Eggplant Tomato Soup

An icon representing a clock 1 h | easy | lactose-free, vegan, vegetarian
Review

Introduction

This vegan eggplant tomato soup leans Mediterranean and I season it like I mean it: silky eggplant, robust tomatoes, garlic, oregano, and smoked paprika, all snapped into focus with a splash of balsamic.

It is weeknight-easy but dinner-party good, cozy for soup season or Meatless Monday, and those crunchy sourdough croutons turn a bowl into a full meal.

Ingredients  (6 servings)

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Ingredients

  • 2 Tbsp olive oil
  • 1 large onion, chopped
  • 3 cloves garlic, minced
  • 2 medium eggplants
  • 2 large carrots, diced
  • 1 red bell pepper, chopped
  • 1 can (14.5 oz each) diced tomatoes
  • 3 Tbsp tomato paste
  • 4 cups vegetable broth
  • 1 tsp smoked paprika
  • 1 tsp dried basil
  • 1 tsp dried oregano
  • 1 tsp salt
  • ½ tsp freshly ground black pepper
  • ½ tsp crushed red pepper
  • 1 Tbsp balsamic vinegar

Ingredients for Croutons

  • 4 slices sourdough sandwich bread, cut into ½-inch cubes
  • 2 Tbsp olive oil
  • ¼ tsp salt
  • pinch freshly ground black pepper
Vegan Eggplant Tomato Soup

How to Make Vegan Eggplant Tomato Soup

  1. Heat the pot and prep your station

    Set a large heavy pot over medium heat and add 2 tablespoons olive oil while you chop so the pan is hot when you start.

  2. Sweat onion and garlic

    Add the chopped onion with a pinch of the salt and cook until translucent and lightly golden, about 5 to 7 minutes, then stir in the minced garlic for 30 seconds until fragrant.

  3. Brown the eggplant

    Add the diced eggplant and a drizzle more oil if the pot looks dry, season with a little more salt, and cook over medium high heat until the cubes collapse and take on deep color, about 8 to 10 minutes.

  4. Add carrots and pepper

    Stir in the diced carrots and red bell pepper and cook 3 to 4 minutes to start softening them.

  5. Toast the tomato paste and spices

    Clear a hot spot in the pot, add the tomato paste, and cook it for 1 to 2 minutes until it darkens slightly, then stir in smoked paprika, dried basil, dried oregano, black pepper, and red pepper flakes.

  6. Build the broth

    Pour in the diced tomatoes with their juices and the vegetable broth, scrape up any browned bits, and bring to a lively simmer.

  7. Simmer until silky

    Reduce heat to maintain a gentle simmer and cook uncovered for 20 to 25 minutes until the carrots are tender and the eggplant is lush and soft.

  8. Blend to your preferred texture

    For a rustic soup leave it chunky, or partially blend with an immersion blender for a creamy vibe while keeping some texture, and fully blend if you want velvet.

  9. Finish with acid and adjust

    Stir in the balsamic vinegar and taste, then adjust salt, pepper, and heat until it smacks with balanced flavor.

  10. Make the croutons while the soup simmers

    Toss the sourdough cubes with 2 tablespoons olive oil, 1/4 teaspoon salt, and a pinch of pepper, spread on a sheet pan, and bake at 375 F for 10 to 12 minutes until golden and crisp, or pan toast in a large skillet over medium heat, tossing often.

  11. Serve

    Ladle the soup into warm bowls and shower with hot, crunchy croutons right before eating so they stay crackly.

Vegan Eggplant Tomato Soup

Substitutions

Eggplant -> Zucchini and mushrooms
Use half zucchini and half cremini mushrooms to mimic eggplant’s tender bite and savory depth while keeping it vegan, and you will get a slightly lighter body with a boosted umami edge.
Vegetable broth -> Water plus bouillon
Stir 4 cups hot water with a quality vegan bouillon paste or cube for clean, punchy seasoning that gives you control over salt and backbone.
Sourdough -> Gluten free bread
Swap in a sturdy gluten free loaf for croutons and toast a minute longer so the cubes dry through, giving you the same shatter-crisp finish without wheat.
Vegan Eggplant Tomato Soup

Tips

Salt the eggplant in the pot
A small pinch early helps draw moisture so the cubes brown faster instead of steaming, which builds that meaty flavor you want.
Caramelize the tomato paste
Give the paste direct contact with the hot pot until it darkens and smells sweet, because that 60 to 90 seconds turns flat tomato into concentrated richness.
Control heat like a pro
If the pot ever looks dry while browning eggplant, add a teaspoon of oil at a time rather than a glug so you get color without greasiness.
Blend strategically
Pulse with an immersion blender in short bursts so you keep some eggplant and carrot texture, which makes each spoonful feel satisfying instead of monotone.
Crouton crunch insurance
Once baked, let croutons cool on the sheet pan so steam escapes and they stay crisp when they hit the hot soup.
Make it tomorrow-proof
Chill the soup uncovered until just cool, then store in glass containers so the tomato does not pick up off flavors and the texture stays clean.

Nutrition Facts *

Energy 320 kcal
Protein 5 g
Total Fat 17 g
Carbohydrates 40 g
Dietary Fiber 14 g

* Approximate, per serving.
Data source: USDA FoodData Central.

FAQ

How do I prevent the soup from tasting bitter?
Brown the eggplant well, toast the tomato paste, and finish with balsamic, because that combo balances any edge from eggplant or canned tomatoes.
My soup is too acidic, what now?
Simmer 5 more minutes to mellow, then add an extra teaspoon of olive oil or a small pinch of sugar to round it out without making it sweet.
The soup is watery, how can I thicken it?
Uncover and simmer 5 to 8 minutes to reduce, or blend a couple ladles of soup and stir back in for body without adding starch.
It came out too thick, how do I fix it?
Whisk in hot water or more vegetable broth a half cup at a time until it loosens to your favorite spoonable consistency, then recheck salt.
How do I keep croutons from going soggy?
Add them at the table and store extras in an open bowl on the counter for a few hours, or re-toast in a 350 F oven for 3 minutes to revive.
Can I make this ahead or freeze it?
Yes, the soup holds 4 days in the fridge and freezes up to 3 months, but freeze croutons separately in an airtight container and re-crisp before serving.

Serving Suggestions

This soup loves a drizzle of good olive oil and a dusting of extra smoked paprika, and if you have fresh basil or parsley, a rough chop wakes the whole bowl up.

Pair with a crunchy salad or a grilled vegan cheese on sourdough for a full dinner, and if you want drama, finish with a spoon of dairy free pesto that swirls in like a boss.

More pairings:

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