Why You’ll Love This Ratatouille Soup
- It’s a hug in a bowl. This soup has a way of making everything feel right with the world. The combination of slowly cooked vegetables in a savory broth is deeply comforting and incredibly satisfying, especially on a chilly evening.
- It’s incredibly versatile. Honestly, think of this recipe as a guide. You can swap zucchini for yellow squash, add a handful of green beans, or throw in a parmesan rind for extra umami. It’s a fantastic canvas for whatever you have on hand.
- The flavor just gets better. Like many great stews and soups, this one tastes even more amazing the next day. The flavors have time to meld and deepen, making it a brilliant make-ahead option for busy weeks.
- It’s naturally wholesome. Packed with a garden’s worth of vegetables and simmered in a light broth, it’s a meal that feels genuinely good for you. It’s vegan-friendly as written, but also welcomes a sprinkle of cheese or a dollop of pesto if you’re feeling indulgent.
Ingredients & Tools
- 2 tbsp olive oil
- 1 large yellow onion, diced
- 4 cloves garlic, minced
- 1 large eggplant (about 500 g), cut into 1/2-inch cubes
- 2 medium zucchinis, cut into 1/2-inch cubes
- 1 red bell pepper, diced
- 1 yellow bell pepper, diced
- 1 can (400 g) crushed tomatoes
- 4 cups (1 liter) vegetable broth
- 1 tsp dried thyme
- 1 bay leaf
- 1/4 cup fresh basil, chopped, plus more for garnish
- Salt and freshly ground black pepper to taste
Tools: A large, heavy-bottomed pot or Dutch oven, a sharp chef’s knife, and a sturdy wooden spoon.
The quality of your vegetables really shines here, so try to get them fresh and firm. That can of crushed tomatoes is the backbone of your broth—it provides body and a lovely tangy sweetness that balances the earthy vegetables perfectly.
Serves: 4-6 | Prep Time: 20 minutes | Cook Time: 40 minutes | Total Time: 1 hour
Before You Start: Tips & Ingredient Notes
- Don’t skip salting the eggplant. This might seem like an extra step, but it’s a game-changer. Salting the cubed eggplant and letting it sit for 15-20 minutes draws out excess moisture and bitterness, resulting in a creamier, more flavorful final texture in the soup.
- Dice your vegetables evenly. You want all the veggies to cook at roughly the same rate. Aim for a consistent 1/2-inch dice on the eggplant, zucchini, and peppers so every spoonful has a bit of everything.
- Your pot matters. Using a heavy-bottomed pot or Dutch oven is key. It distributes heat evenly, preventing the vegetables from burning on the bottom while they sauté and simmer. A thin pot might lead to hot spots and scorching.
- Fresh vs. dried herbs. The dried thyme and bay leaf are perfect for the long simmer, infusing the broth with a deep, earthy flavor. But the fresh basil is a non-negotiable finish—it adds a bright, peppery aroma that lifts the entire dish.
How to Make Ratatouille Soup
Step 1: Start by preparing your eggplant. Place the cubed eggplant in a colander and toss it generously with about a teaspoon of salt. Let it sit for 15-20 minutes while you prep the other vegetables. You’ll notice beads of moisture forming on the surface—that’s exactly what you want. After it sits, give the cubes a quick rinse and pat them thoroughly dry with a clean kitchen towel or paper towels. This step ensures they’ll sauté nicely instead of steaming.
Step 2: Heat the olive oil in your large pot over medium heat. Add the diced onion and cook, stirring occasionally, until it becomes soft and translucent, about 5-7 minutes. Add the minced garlic and cook for just another minute until it’s fragrant—be careful not to let it burn, as bitter garlic will affect the whole soup.
Step 3: Now, add your dried eggplant cubes and diced bell peppers to the pot. Give everything a good stir to coat the vegetables in the oil and onion mixture. Cook for about 8-10 minutes, until the eggplant begins to soften and the peppers have lost their raw edge. You’re building a foundation of flavor here.
Step 4: Stir in the diced zucchini, followed by the can of crushed tomatoes and the vegetable broth. Add the dried thyme, bay leaf, and a good pinch of salt and pepper. Bring the soup up to a gentle boil, then immediately reduce the heat to low, cover the pot, and let it simmer gently for 20-25 minutes.
Step 5: This is the magic part. As it simmers, the vegetables will become tender and the flavors will meld together beautifully. The broth should thicken slightly and take on a rich, reddish-orange hue. After 20 minutes, check if the eggplant and zucchini are fork-tender.
Step 6: Once the vegetables are perfectly cooked, turn off the heat. Remove and discard the bay leaf. Stir in the freshly chopped basil. Now, taste the soup—this is crucial. Adjust the seasoning with more salt and pepper until it tastes just right to you. The basil will wilt slightly from the residual heat, perfuming the entire pot.
Step 7: Ladle the hot soup into bowls. Finish each serving with an extra drizzle of good olive oil, a crack of black pepper, and a few more basil leaves for a fresh, vibrant look. It’s ready to serve and enjoy immediately.
Serving Suggestions
Complementary Dishes
- A thick slice of crusty, grilled bread — Rubbed with a clove of garlic and drizzled with olive oil, it’s the perfect tool for soaking up every last drop of the delicious broth.
- A simple arugula salad with a lemon vinaigrette — The peppery, sharp notes of the salad provide a wonderful contrast to the sweet, mellow flavors of the soup.
- A generous spoonful of basil pesto or pistou — Swirled on top just before serving, it adds a burst of herbal freshness and a touch of richness.
Drinks
- A crisp, dry Rosé — The berry notes and acidity in the wine mirror the flavors of the tomatoes and herbs in the soup beautifully.
- A chilled glass of Sauvignon Blanc — Its citrusy and herbal character complements the vegetables without overpowering them.
- Sparkling water with a squeeze of lemon — A non-alcoholic option that cleanses the palate between spoonfuls and highlights the soup’s brightness.
Something Sweet
- Lemon sorbet — Its sharp, clean citrus flavor is a refreshing and light way to end the meal after the hearty soup.
- Almond tuiles or biscotti — These delicate, crispy cookies are not too sweet and provide a lovely textural contrast.
- Fresh berries with a dollop of whipped cream — Simple, seasonal, and the perfect sweet note to follow the savory depth of the soup.
Top Mistakes to Avoid
- Mistake: Not salting the eggplant. I’ve rushed this step before and regretted it. Skipping it can leave you with a slightly bitter aftertaste and a spongy, waterlogged texture that doesn’t absorb the other flavors as well.
- Mistake: Overcooking the garlic. Garlic burns in a flash and turns bitter. If it burns, it can taint the entire pot of soup. Add it after the onions are soft and cook it for just a minute until fragrant.
- Mistake: Boiling the soup aggressively. A gentle simmer is your friend. A rolling boil will break down the vegetables too much, turning them mushy and making the soup cloudy. You want a lazy bubble to coax out the flavors.
- Mistake: Forgetting to taste at the end. Seasoning is everything. The amount of salt needed can vary depending on your broth and tomatoes. Always taste and adjust just before serving—it makes all the difference.
Expert Tips
- Tip: Add a Parmesan rind. If you have one stashed in your freezer, toss it into the pot while the soup simmers. It will melt into the broth, adding an incredible layer of savory, umami depth that’s just magical.
- Tip: Try a splash of balsamic vinegar. Just a teaspoon or two stirred in at the very end can brighten all the flavors and add a subtle sweetness that really makes the tomatoes pop.
- Tip: Make it ahead for deeper flavor. This soup is arguably better on day two. Let it cool completely and store it in the fridge overnight. The flavors intensify and harmonize, creating an even more complex and delicious meal.
- Tip: Create a creamy version. For a richer, creamier texture, use an immersion blender to puree about half of the soup right in the pot. You’ll get a thicker base while still retaining plenty of vegetable chunks for texture.
FAQs
Can I freeze this Ratatouille Soup?
Absolutely, it freezes beautifully! Let the soup cool completely before transferring it to airtight, freezer-safe containers. Leave about an inch of space at the top to allow for expansion. It will keep well for up to 3 months. When you’re ready to eat, thaw it overnight in the refrigerator and reheat it gently on the stove. You might need to add a splash of broth or water when reheating, as it can thicken up a bit in the freezer.
What can I use instead of eggplant?
If you’re not a fan of eggplant, you can easily leave it out. To maintain the heartiness, you could add an extra zucchini or even a diced potato or two. Sweet potato would also work wonderfully, adding a different kind of sweetness. Just remember that potatoes might need a few extra minutes of simmering to become tender.
Is this soup gluten-free and vegan?
Yes, as written, this recipe is naturally both gluten-free and vegan. The key is to double-check your vegetable broth, as some store-bought brands can contain hidden gluten or animal-derived ingredients. As long as you use a certified broth, you’re all set for a delicious plant-based, gluten-free meal.
My soup is too thin. How can I thicken it?
If you prefer a thicker, stew-like consistency, you have a couple of easy options. The simplest is to let it simmer uncovered for an extra 5-10 minutes to reduce and concentrate. Alternatively, you can mash some of the softened vegetables against the side of the pot with your spoon, which will naturally thicken the broth. For a more immediate fix, mix a tablespoon of tomato paste with a little of the hot broth to create a slurry, then stir it back in.
Can I add protein to this soup?
Of course! For a heartier meal, feel free to add a can of drained and rinsed cannellini beans or chickpeas along with the broth. If you’re not keeping it vegan, cooked, shredded chicken or Italian sausage (cooked and crumbled first) would be delicious additions. Stir them in during the last 5-10 minutes of simmering just to heat them through.
Ratatouille Soup
Warm up with my easy Ratatouille Soup recipe! This comforting, vegan-friendly twist on the classic French stew is packed with summer vegetables and rich flavor. Perfect for a cozy weeknight dinner.
Ingredients
Ingredients
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2 tbsp olive oil
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1 large yellow onion (diced)
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4 cloves garlic (minced)
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1 large eggplant (about 500 g, cut into 1/2-inch cubes)
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2 medium zucchinis (cut into 1/2-inch cubes)
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1 red bell pepper (diced)
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1 yellow bell pepper (diced)
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1 can crushed tomatoes (400 g)
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4 cups vegetable broth (1 liter)
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1 tsp dried thyme
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1 bay leaf
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1/4 cup fresh basil (chopped, plus more for garnish)
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Salt and freshly ground black pepper (to taste)
Instructions
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Start by preparing your eggplant. Place the cubed eggplant in a colander and toss it generously with about a teaspoon of salt. Let it sit for 15-20 minutes while you prep the other vegetables. You'll notice beads of moisture forming on the surface—that's exactly what you want. After it sits, give the cubes a quick rinse and pat them thoroughly dry with a clean kitchen towel or paper towels. This step ensures they'll sauté nicely instead of steaming.01
-
Heat the olive oil in your large pot over medium heat. Add the diced onion and cook, stirring occasionally, until it becomes soft and translucent, about 5-7 minutes. Add the minced garlic and cook for just another minute until it's fragrant—be careful not to let it burn, as bitter garlic will affect the whole soup.02
-
Now, add your dried eggplant cubes and diced bell peppers to the pot. Give everything a good stir to coat the vegetables in the oil and onion mixture. Cook for about 8-10 minutes, until the eggplant begins to soften and the peppers have lost their raw edge. You're building a foundation of flavor here.03
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Stir in the diced zucchini, followed by the can of crushed tomatoes and the vegetable broth. Add the dried thyme, bay leaf, and a good pinch of salt and pepper. Bring the soup up to a gentle boil, then immediately reduce the heat to low, cover the pot, and let it simmer gently for 20-25 minutes.04
-
This is the magic part. As it simmers, the vegetables will become tender and the flavors will meld together beautifully. The broth should thicken slightly and take on a rich, reddish-orange hue. After 20 minutes, check if the eggplant and zucchini are fork-tender.05
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Once the vegetables are perfectly cooked, turn off the heat. Remove and discard the bay leaf. Stir in the freshly chopped basil. Now, taste the soup—this is crucial. Adjust the seasoning with more salt and pepper until it tastes just right to you. The basil will wilt slightly from the residual heat, perfuming the entire pot.06
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Ladle the hot soup into bowls. Finish each serving with an extra drizzle of good olive oil, a crack of black pepper, and a few more basil leaves for a fresh, vibrant look. It's ready to serve and enjoy immediately.07


