Oil-Free Sicilian Caponata: Sweet, Sour and Full of Italian Flavor
Sicilian caponata is one of those dishes that proves vegetables can be anything but boring. Tender eggplant, tomatoes, celery, olives, capers and raisins come together in a rich, sweet-and-sour sauce known as agrodolce. It is briny,
Post Date: February 2, 2023
Updated: May 30, 2026
Posted by: Donna SpencerThis post may contain affiliate links. Read my full disclosure here.
tangy, slightly sweet and deeply satisfying. It uses slow-cooked vegetables and a luscious tomato base. The perfect balance of briny, sweet, and acidic notes creates a lighter yet equally satisfying twist.
The result is a colorful, rustic Italian dish that can be served warm, chilled or at room temperature — as an appetizer, a light lunch, a pasta topping or part of a simple Italian-inspired dinner.
A Sicilian Dish With a Personal Connection
Caponata comes from Sicily, the beautiful island just across the Strait of Messina from Reggio Calabria, at the very southern tip of mainland Italy.
Reggio Calabria is especially meaningful to me because it is where my paternal grandfather was born. According to our family history, he immigrated to the United States with his four brothers when he was only four years old, around 1896.
Although caponata is a Sicilian dish rather than a Calabrian one, it still feels connected to my family story. From the shores of Reggio Calabria, Sicily is right there across the water — two regions of southern Italy shaped by sun, sea, tomatoes, eggplant, citrus, herbs and generations of cooks who knew how to make simple ingredients taste extraordinary.
That is one of the things I love most about Italian cooking. A humble vegetable dish can carry history, geography and family memory right along with it.
What Is Sicilian Caponata?
Caponata is a traditional Sicilian eggplant dish most often made with celery, tomatoes, olives and capers. Its signature flavor comes from agrodolce, the classic Italian balance of sour and sweet: agro meaning sour and dolce meaning sweet.
In caponata, vinegar brings the bright, tart finish, while raisins and a small amount of sweetener soften the acidity and create balance. The finished dish has an almost relish-like texture, with tender vegetables coated in a concentrated sweet, savory and tangy sauce.
Like many traditional Italian recipes, caponata varies from cook to cook and region to region. Some versions include pine nuts, peppers or raisins; some are chunky, while others cook down to a softer, richer consistency.
My version stays true to the spirit of traditional caponata with eggplant, celery, tomatoes, olives, capers and vinegar, while adding zucchini, fennel and Poblano pepper for extra texture, sweetness and depth.
Why This Oil-Free Caponata Works
Eggplant is known for readily absorbing oil when it is fried, but it also readily absorbs the flavors surrounding it. That makes it especially well suited to an oil-free version of caponata.
Here, the eggplant slowly roasts with fire-roasted tomatoes, tomato paste, red wine vinegar, garlic, olives, capers, raisins and seasonings. As the vegetables soften, their natural moisture mingles with the tomato base, creating a rich, silky sauce.
Each ingredient has a purpose:
- Tomato paste adds concentrated savory richness.
- Olives and capers provide the distinctive briny bite.
- Raisins and agave balance the vinegar with a touch of sweetness.
- Onion, garlic and fennel add aroma and natural depth.
- Eggplant and zucchini soften into the sauce, giving the dish its satisfying texture.
The result is tender, vibrant and deeply flavorful — everything I want from caponata, without relying on olive oil to create richness.
How to Serve Caponata — Now or Tomorrow
Caponata can be served immediately, but it is even better after it has had time to rest. After a few hours in the refrigerator, or overnight, the eggplant absorbs more of the agrodolce-style sauce and the sweet, sour and briny flavors settle beautifully into one another.
That makes this an ideal make-ahead dish. I love making a batch on Sunday and enjoying it in different ways throughout the week.
Serve it:
- At room temperature spooned over toasted crostini
- As a flavorful side dish with an Italian-inspired meal
- Tossed with warm pasta such as penne, orecchiette or rigatoni
- Alongside white beans, lentils or chickpeas for a more substantial plant-based meal
- As part of an appetizer board or Friday happy hour spread
Later in the week, I often toss leftover caponata with pasta or serve it alongside a plant-based sausage for an easy dinner. And if there is any left by Friday, it becomes the perfect topping for crostini with a glass of wine.
Learn more about Italian oil-free cooking here.
Plant-Based: Prep, Swap, Store & Nutrition
Grocery List
Produce
eggplant
red onion
Poblano pepper
celery
zucchini
green olives
garlic cloves
fennel bulb
Pantry
crushed red pepper flakes
ground mustard
Italian seasoning mix
fire-roasted diced tomatoes
tomato paste
agave
red wine vinegar
golden raisins
capers
Misc
water
salt and pepper to taste
Add-Ins and Substitutions
Oil-free caponata is a forgiving dish, and there are several ways to make it your own.
Vegetables:
Mushrooms or roasted cauliflower can add texture and absorb the agrodolce flavors beautifully. Red bell pepper may be used in place of Poblano pepper for a sweeter, milder flavor.
Onions:
If you do not have red onion, try shallots or leeks for a slightly softer flavor.
Tomatoes:
Fire-roasted diced tomatoes add a lovely depth, but regular diced tomatoes or crushed tomatoes also work well.
Dried Fruit:
Golden raisins add gentle sweetness, but chopped dates, dried apricots or figs may also be used.
Olives and Capers:
If you are not an olive fan, add a few extra capers or chopped marinated artichokes for a similar briny bite.
Vinegar:
Red wine vinegar is my favorite choice here, but balsamic vinegar or apple cider vinegar can also work. Lemon juice may be used in a pinch, although it creates a slightly different flavor.
Optional Crunch:
Traditional variations sometimes include pine nuts. If you would like a little crunch, toasted almonds, walnuts or sunflower seeds are also delicious additions.
Storing
Store caponata in an airtight container in the refrigerator for up to five days.
Because the flavors continue to develop as it rests, this is an excellent recipe to prepare a day ahead.
Enjoy it cold or bring it to room temperature before serving. To reheat, warm it gently in the microwave or on the stovetop with a splash of water or vegetable broth, if needed.
Nutrition 411
This oil-free caponata is built around a colorful combination of vegetables, aromatics and tomato-based ingredients, making it a flavorful way to add more plants to your plate.
Quick Nutrition Snapshot
This oil-free caponata is a vegetable-forward dish made with eggplant, zucchini, tomatoes, onions, celery, fennel, olives and capers simmered in a flavorful sweet-and-sour tomato base. Each serving is approximately 96 calories, making it a light but satisfying way to enjoy a generous serving of vegetables.
Because olives and capers add natural briny flavor, they also contribute sodium. I recommend rinsing the capers before adding them and tasting the finished dish before adding any additional salt.
Ingredient Highlights
Eggplant is the heart of traditional Sicilian caponata. Its tender, almost creamy texture makes it perfect for absorbing the tomato, vinegar and herb flavors in this dish. Eggplant also provides fiber and naturally occurring plant compounds, particularly in its deep purple skin. That is why I leave alternating strips of skin on the eggplant rather than peeling it completely.
Tomatoes and tomato paste create the rich, savory base of this recipe. Tomatoes contain lycopene, the plant pigment responsible for their red color. Cooking and concentrating tomatoes, as in tomato paste and cooked tomato sauces, helps make lycopene more available for the body to absorb.
Zucchini, celery, onion, fennel and Poblano pepper add texture, moisture and layers of natural sweetness while increasing the variety of vegetables in each serving. This combination helps make the finished dish feel abundant and satisfying without relying on oil.
Olives and capers provide the signature salty, briny notes that balance the sweetness of the raisins and the acidity of the red wine vinegar. A little goes a long way in creating the bold flavor traditionally associated with caponata.
The Bigger Picture
Oil-free caponata is a beautiful example of how Italian cooking uses simple ingredients and thoughtful technique to create something deeply satisfying. Eggplant, tomatoes, aromatics, vinegar and a touch of sweetness come together to build richness and balance — no oil required.
This dish is also an easy way to add more variety to your plate. Dietary fiber from vegetables supports digestive health and helps meals feel satisfying, while the different colors and textures provide a range of naturally occurring plant compounds.
Serve Sicilian caponata over whole-grain crostini, spoon it over pasta or pair it with white beans or lentils for an even more substantial plant-based meal. It is proof that a nourishing dish can still be bold, comforting and full of the flavors that make Italian food so special.
See more plant-based Italian comfort foods.
Oil-Free Sicilian Caponata
Equipment
- Dutch oven or large covered baking dish
Ingredients
- 1 Eggplant (aubergine) large peeled, alternating with 1-inch strips of skin left on, cut into 1-inch dice
- 1 Red onion large cut into 1/2-inch dice
- 1 Poblano pepper cut into 1/2-inch dice
- 3 Celery ribs cut into 1/2-inch dice
- 2 Zucchini cut into 1/2-inch dice
- ½ cup Green Olives large sliced in half or jumbo quartered
- 6 Garlic cloves thinly sliced
- 1 Fennel bulb cut into 1/2-inch dice or use 1 teaspoon ground or whole fennel seeds
- Pinch Crushed red pepper flakes
- 1 teaspoon salt
- ½ teaspoon pepper
- 1 teaspoon ground mustard
- 1 teaspoon Italian seasoning mix
- 1 15 oz can Fire-roasted diced tomatoes
- ¼ cup water
- 1 6-ounce can tomato paste
- 2 tablespoons agave
- ¼ cup red wine vinegar
- ¼ cup golden raisins roughly chopped if large
- ¼ cup capers rinsed
- crostini
Instructions
- Preheat the oven to 400 degrees F. Chop vegetables into 1-inch cubes and place them in a large bowl.
- Cut the green olives in half and add to the chopped vegetables.
- If the golden raisins are large, chop them into smaller pieces. Same with the capers, if they are large, chop them into smaller pieces. Add both to the chopped vegetables and toss to mix.
- In a medium-sized bowl, combine 1/4 cup water, roasted diced tomatoes, all spices, tomato paste, agave, and vinegar. Pour over chopped vegetables and combine to coat all pieces.
- Transfer to a large baking dish and cover with foil. Bake until vegetables are fork-tender but not mushy, approximately for 40 minutes. Uncover for the last 5 minutes of baking.
- Serve immediately. You can also serve at room temperature. You can also make it ahead and reheat it at 350℉ for 15 minutes.
Notes
Nutrition
More Eggplant PF Recipes
Deconstructed Crispy Eggplant Bake (WFPB, Oil-Free, Dairy-Free)
Dark Chocolate Almond Eggplant Torte (Vegan)
WFPB Grilled Eggplant Tomato Basil Lemon Pesto Salad
Eggplant Artichoke Carrot Tops Basil Pesto with Hummus
Easy Sunday Supper Eggplant Calzones
❓FAQs – Frequently Asked Questions
Is caponata served hot or cold?
Caponata can be served warm, chilled or at room temperature. I especially enjoy it at room temperature over toasted crostini, after the sweet, sour and briny flavors have had time to settle together.
Can I make caponata ahead of time?
Yes. In fact, caponata is often even better the next day. Store it in an airtight container in the refrigerator and bring it to room temperature before serving, or warm it gently if serving with pasta.
What can I serve with oil-free caponata?
Serve it as an appetizer with crostini, toss it with warm pasta, spoon it alongside white beans or lentils, or add it to an Italian-inspired appetizer board.
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