
Charred Green Tomato and Basil Oil Dip
A rustic Italian-inspired dip made from green tomatoes charred until their skins blister and soften, folded with a peppery basil-infused oil and mellowed with garlic. The charring brings out subtle sweetness beneath the tomatoes' natural tartness, while fresh basil oil adds herbaceous depth. Serve with crusty bread, crudités, or grilled vegetables for a vibrant appetizer that celebrates end-of-season tomatoes.
- Prep
- 15 min
- Cook
- 18 min
- Wait
- 20 min
- Total
- 53 min
- Makes
- 1¼ cups (300 ml) dip
Steps
Before you start
- Have fresh basil leaves at room temperature—this matters for the bright green oil color
- If using a cast-iron or grill pan, make sure it's well-seasoned; otherwise a stainless steel skillet works fine
- Prepare an ice bath (bowl of ice water) nearby to cool the charred tomatoes quickly
- Read through the basil oil step; if your blender has trouble with oil, a mortar and pestle works better
Char tomatoes cut-side down
- Heat a large cast-iron skillet or grill pan over medium-high heat for 2 minutes until very hot.
- Pat the tomato halves dry with paper towels—any moisture will steam rather than char.
- Working in batches if needed to avoid crowding, place tomato halves cut-side down on the hot pan.
- Do not move them.
- Let them sit for 5–6 minutes until the cut surface is deeply blackened with charred spots and the flesh softens slightly.
- Flip the tomatoes skin-side down and char for another 2–3 minutes until the skin blisters and begins to split.
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Ready when: Cut surface is blackened, flesh yields slightly to gentle pressure; skin is blistered and splitting
Tip: Dry the tomatoes thoroughly—wet surfaces won't char, they'll steam. Don't move them while charring or you'll lose the dark, caramelized crust.
Cool charred tomatoes
- Transfer the charred tomato halves to a cutting board and let them cool for 5 minutes, then transfer to an ice bath (a bowl of ice water) for exactly 5 minutes.
- This stops the cooking and sets the char.
- Remove tomatoes from ice water and gently peel away the blackened skin—it should slip off easily, leaving the softened flesh underneath.
- Discard any remaining hard core.
- Coarsely chop the peeled tomato flesh and transfer to a small bowl.
- Season with kosher salt and black pepper.
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Ready when: Skin peels away easily; flesh is tender but still holds its shape
Tip: The ice bath is crucial—it keeps the char crispy instead of turning mushy. Work gently so the delicate flesh doesn't break into a purée.
Make basil oil
- In a mortar and pestle (or small food processor), combine the smashed garlic cloves with ¼ teaspoon kosher salt.
- Grind into a smooth paste.
- Add the dried basil leaves a handful at a time, gently crushing and pressing them to release their oils and break them down slightly—you want a chunky sauce, not a smooth purée.
- Very slowly drizzle in the extra virgin olive oil while continuing to press and fold the basil and garlic together.
- The mixture should loosen into a thick, vibrant green sauce with visible basil pieces and an intense fragrance.
- If using a blender, pulse the garlic and basil briefly first, then with the motor running on low, drizzle oil in through the top—do not blend until smooth.
- Taste and adjust salt.
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Ready when: Oil is bright green, fragrant, with visible basil and garlic pieces throughout; coats the back of a spoon
Tip: If using a blender, go slowly and don't over-blend or the basil will oxidize and turn dark. Mortar and pestle gives the best color and texture.
Combine and finish
- Fold the basil oil into the cooled charred tomatoes along with the red wine vinegar and lemon zest.
- Stir gently until well combined.
- Taste and adjust salt, pepper, or acidity to your preference.
- The dip should taste herbaceous, tart, and lightly charred with a silky oil base.
- Let it rest at room temperature for at least 5 minutes so the flavors meld, then serve.
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Ready when: Ingredients are evenly combined; flavors are balanced and cohesive
Tip: Taste as you fold—if the tomato flavor is faint, it's okay to use a bit less oil. You want the char to shine through, not be muted by too much oil.
Good to know
Tips
- Char the tomatoes hard—the black crust is flavor, not a mistake. Charring transforms green tomato tartness into something deeper and more complex.
- Fresh basil is non-negotiable; avoid dried basil for the oil step, as it won't give you the bright, vivid color or fresh flavor this dip needs.
- Serve the dip with toasted bread rubbed with garlic, roasted vegetables (eggplant, zucchini, bell peppers), blanched and cooled green beans, or crudités like cucumber slices and radishes.
- This dip benefits from being made with late-summer green tomatoes—the ones you harvest before the first frost. Store-bought green tomatoes (which are often picked early and ripened indoors) lack the flavor depth of field-ripened fruit.
Make ahead
Prepare the dip up to 8 hours ahead. Store it covered in the refrigerator. The basil will darken slightly but retain good flavor. Bring to room temperature for 15 minutes before serving and stir gently to redistribute the oil.
Storage & reheating
Room temperature (up to 2 hours); refrigerator in an airtight container (up to 4 days); freezer (up to 1 month, though the basil's brightness diminishes). Thaw in the refrigerator overnight and stir in a teaspoon of fresh lemon juice before serving to refresh the flavor.
Substitutions
- fresh basil leaves, loosely packed → Fresh parsley leaves (flat-leaf Italian parsley preferred). The dip will be more savory and less floral. Use the same amount and follow the same technique for the basil oil.
- extra virgin olive oil → High-quality neutral oil such as grapeseed or light avocado oil. You'll lose the fruity olive oil character, but the dip will be lighter and allow the char and herbs to dominate.
- red wine vinegar → White wine vinegar or fresh lemon juice (1½ teaspoons). White wine vinegar is milder and brighter; lemon juice adds more citrus lift. Adjust to taste.
- green tomatoes (firm, unripe) → Firm red tomatoes or a mix of red and yellow heirloom tomatoes. The dip will be sweeter and less tart. Reduce the salt slightly and increase the vinegar by ½ teaspoon if using red tomatoes.
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- Meal
- Snack
- Cuisine
- Italian
- Main ingredient
- Tomatoes
- Method
- Grill & BBQ





