I roast the garlic for this dipping oil directly in the olive oil it's served in, along with a sprig of rosemary, so the oil absorbs flavor while the garlic softens rather than getting seasoned afterward. Once the garlic is soft enough to mash and the oil has cooled, I mix in chopped Castelvetrano and Kalamata olives, fresh basil, thyme, and lemon zest, plus a pinch of crushed red pepper flakes for warmth. Using two different olives alongside the roasted garlic gives this dip a briny, textured bite that a plain herb-based garlic oil doesn't have. It's ready in about 25 minutes and pairs well with warm, crusty bread.
I mix two kinds of olives into this dip, which isn't something I usually see in garlic dipping oils, since most recipes stick to herbs and skip the olives altogether. The Castelvetrano brings a milder, buttery note, while the Kalamata adds something saltier and more assertive, so together they give the oil a briny depth that plain roasted garlic doesn't have on its own. Lemon zest brightens all of that instead of weighing it down, and a small pinch of crushed red pepper flakes adds just enough warmth without turning the dip spicy.
What I like most is how little cleanup this actually requires for how good it tastes. Everything gets stirred into one bowl once the garlic and oil have cooled, so there's no separate sauce to make or extra pan to wash. It's the kind of appetizer I'll set out with a loaf of warm bread and barely have to think about again until the bowl is empty.
Why This Dip Stands Out
Roasty, mellow garlic flavor
The garlic here isn't sharp or aggressive, which is exactly why I like it in a bread dip. Roasting it first turns the cloves soft and mellow, so they blend into the oil instead of tasting raw or harsh.
Briny texture in every bite
The olives do more than add saltiness - they give the dip some actual bite. Castelvetrano keeps things buttery and mild, while Kalamata brings a deeper, saltier note, so the whole bowl tastes fuller and less one-note.
Ingredients You'll Need
For roasting the garlic
- Olive oil - I roast the garlic right in the oil so it softens gently and picks up flavor as it cooks. Any good olive oil works here, but I'd use one you actually like the taste of since it's part of the finished dip.
- Garlic - I use peeled, smashed cloves because they roast faster and mash into the oil more easily. Whole cloves would work too, but they take longer and won't break down quite as smoothly.
- Rosemary - This gives the garlic oil a woodsy, savory note while it roasts. If you don't have rosemary, thyme is the easiest swap.
For the dipping oil
- Olive oil - I add a second pour of oil to loosen the dip and give it that glossy, dip-able texture. You can use a little less if you want a thicker, more chunky version.
- Castelvetrano olives - These bring a mild, buttery olive flavor that keeps the dip from tasting too salty. If you can't find them, another green olive will do.
- Kalamata olives - I add these for a deeper, brinier hit that balances the milder olives. Any black or purple olive can step in if that's what you have.
- Fresh basil - Basil adds freshness and keeps the dip from feeling too heavy. Parsley works if you want a milder herb flavor.
- Fresh thyme - Thyme gives the dip a little earthy backbone. If you only have dried thyme, use less since it's more concentrated.
- Lemon zest - I like lemon zest here because it brightens the oil without watering it down. Lemon juice would work in a pinch, but it changes the texture a bit.
- Crushed red pepper flakes - These add a little heat without taking over. Leave them out if you want a milder dip, or add more if you like it spicier.
- Sea salt - I season with salt at the end because the olives already bring plenty of saltiness. Start light and adjust after you taste.
- Black pepper - A little cracked pepper gives the dip some bite and rounds out the flavors. Freshly cracked is best, but pre-ground will work if that's what you have.
How to Make Roasted Garlic Olive Dipping Oil
1. Roast the garlic in olive oil
I start by cooking the garlic low and slow in olive oil until it turns soft, golden, and sweet. That step is what gives the dip its deeper flavor and keeps the garlic from tasting harsh or raw.
2. Chop the herbs and olives
While the garlic cools, I chop the herbs and olives so they stay chunky enough to give the dip some texture. I want everything small enough to scoop easily, but not so fine that it turns into a paste.
3. Combine everything and season to taste
Once the garlic is ready, I stir it together with the olives, herbs, and more olive oil, then taste and adjust from there. This is the point where I add salt, pepper, and lemon until the dip tastes bright, savory, and balanced.
Roasted Garlic Olive Dipping Oil
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Equipment
- Small ramekin (oven-safe)
- medium mixing bowl
- Cutting board and knife
- Zester or fine grater
Ingredients
For Roasting the Garlic
- ½ cup olive oil
- 4 cloves garlic peeled and smashed
- 1 sprig fresh rosemary
For the Dipping Oil
- ¼ cup olive oil
- 2 tablespoons Castelvetrano olives chopped
- 2 tablespoons Kalamata olives chopped
- 1 tablespoon fresh basil finely chopped
- 1 tablespoon fresh thyme chopped
- Zest of 1 lemon
- ½ teaspoon crushed red pepper flakes more if you like it spicier
- 1 teaspoon sea salt plus more to taste
- ½ teaspoon freshly cracked black pepper
Instructions
Roast the Garlic
- Preheat the oven to 350°F.
- In a medium ramekin, add ½ cup of olive oil. Add the peeled and smashed garlic cloves and the rosemary sprig to the oil.
- Roast in the oven for 20 minutes, or until the garlic is very soft.
- Remove the rosemary and garlic from the oil, then chop or mash the garlic finely. Let the oil cool and set aside.
Assemble the Dipping Oil
- While the garlic roasts, chop the fresh herbs and olives.
- In a medium mixing bowl, combine the cooled garlic-infused oil, the mashed garlic, the remaining ¼ cup olive oil, and all remaining ingredients. Stir well to combine.
- Taste and add more salt if needed. Serve with warm, crusty bread.
Tips for the Best Dipping Oil
Getting the garlic soft enough to mash
I cook the garlic until it's completely tender, because underdone garlic stays stubborn and won't blend smoothly into the oil. If it still feels firm when I press it, I give it a little more time rather than rushing it.
Balancing salt with salty olives
The olives bring plenty of salt on their own, so I season very lightly at first and taste before adding more. That way the dip stays bright and savory instead of crossing into overly salty.
Storage Instructions
I keep the dip in a sealed container in the fridge for up to a few days. The oil may thicken when chilled, but that's normal and it loosens again once it comes back to room temperature. If you're stocking your fridge with make-ahead condiments, my Sweet and Spicy Pickle Relish keeps just as well and is great to have on hand.
Frequently Asked Questions
Can I use whole heads of garlic instead of cloves?
I wouldn't for this version, because individual cloves cook more evenly and are easier to mash into the oil. Whole heads take longer and usually leave you with a different texture than I'm aiming for here.
What bread pairs best with this dip?
I like crusty bread with a chewy middle, since it soaks up the oil without falling apart. A good baguette, ciabatta, or country loaf all work well.
Can I make this ahead for a party?
Yes, and I actually think it tastes better after sitting for a bit. The flavors settle and meld, so I'd make it earlier in the day and bring it back to room temperature before serving - much like my Whipped Goat Cheese Dip with Caramelized Bacon and Dates, which also benefits from a little rest time.
Why does the oil solidify in the fridge?
That happens because olive oil naturally firms up when it gets cold. It's not a problem; just let it sit out for a bit and it will turn fluid again.
More Dip Recipes You'll Love
- Cannoli Dip - This creamy dessert dip gives you all the cannoli flavor without the frying, so it's easy to throw together for a party.
- Warm Muffuletta Dip - I love this one for its bold, briny flavors and the melty cheese situation, which makes it feel a little more substantial than your average dip.
- Buffalo Chicken Dip - This is the kind of game-day dip that disappears fast because it's creamy, spicy, and practically impossible to stop eating.
- Creamy Whipped Feta with Roasted Kalamata Olives - The whipped feta is tangy and smooth, and the roasted olives give it a salty, savory edge that works especially well with crackers or bread.
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