Tzatziki Key Ingredients: The Essential Guide

Tzatziki is a cool, creamy Greek sauce made from thick yogurt, cucumber, garlic, olive oil, and fresh herbs. Itâ€™s the essential companion to gyros and souvlaki, but it also works as a dip, a spread, or a sauce for grilled meats and vegetables. The magic of tzatziki lies in the balance of tangy yogurt, crisp cucumber, pungent garlic, and bright herbsâ€”get these key ingredients right, and youâ€™ll have a versatile, refreshing sauce that elevates nearly any dish.

Ingredients

1 English cucumber (about 1 lb / 450 g), or 2 medium regular cucumbers
2 cups (480 g) plain full-fat Greek yogurt
2â€“3 cloves garlic, finely minced or pressed
2 tablespoons (30 ml) extra-virgin olive oil, plus more for drizzling
1 tablespoon (15 ml) fresh lemon juice
1 tablespoon (3 g) fresh dill, finely chopped (or 1 tsp dried dill)
1 teaspoon (5 g) salt, or to taste
1/4 teaspoon (0.5 g) freshly ground black pepper

Instructions

Grate the cucumber using a box grater or food processor. Place the grated cucumber in a clean kitchen towel or cheesecloth and squeeze out as much liquid as possible. This is crucial for a thick, non-watery tzatziki. You should have about 1 cup (240 ml) of squeezed cucumber.
In a medium bowl, combine the squeezed cucumber, Greek yogurt, minced garlic, olive oil, lemon juice, dill, salt, and pepper. Stir until well combined.
Taste and adjust seasoning, adding more salt or lemon if desired. For a stronger garlic flavor, let it sit for a few minutes and add a little more minced garlic.
Cover the bowl and refrigerate for at least 2 hours to allow the flavors to meld. The tzatziki will thicken as it chills.
Before serving, give it a stir, drizzle with a little olive oil, and optionally garnish with fresh dill or a few cucumber ribbons.

Tips

Use full-fat Greek yogurt: Non-fat or low-fat yogurt can make tzatziki thin and watery. Full-fat Greek yogurt provides the thick, creamy base that tzatziki is known for. If you can only find regular yogurt, strain it through a cheesecloth for a few hours to remove excess whey.
Squeeze the cucumber thoroughly: The #1 mistake is not removing enough water from the cucumber. Even if you think youâ€™ve squeezed enough, squeeze a bit more. This ensures a thick, creamy texture that clings to a pita or spoon.
Let it rest: Tzatziki tastes better after it sits in the fridge for at least 2 hours. This allows the garlic and dill to infuse the yogurt. If youâ€™re in a hurry, you can serve it immediately, but it will be less flavorful.
Adjust garlic to taste: Garlic can be sharp. Start with 2 cloves and add more after tasting. If you want a milder garlic flavor, you can blanch the garlic in boiling water for 30 seconds, or use a microplane to grate it into a paste.

Serving Suggestions

Tzatziki is traditionally served with grilled meats like lamb, chicken, or pork souvlaki, and as a component of a Greek gyro. It also makes a fantastic dip for fresh vegetables, pita bread, or pita chips. Use it as a spread on sandwiches and wraps, or serve it alongside roasted vegetables, grilled fish, or as a sauce for falafel. It also works well as a salad dressing when thinned with a little water or milk.

Variations

Herb swap: Replace dill with fresh mint or parsley for a different flavor profile. Mint is particularly refreshing in summer.
Spicy tzatziki: Add a pinch of cayenne pepper or a finely chopped fresh chili (like a serrano or Thai birdâ€™s eye) for a spicy kick.
Vegan tzatziki: Substitute the Greek yogurt with a thick, plain unsweetened plant-based yogurt (coconut or soy work best). Make sure itâ€™s a thick variety, and consider adding a tablespoon of olive oil to mimic the richness of Greek yogurt.
Extra garlic: For a truly garlicky tzatziki, add an extra clove or two. This is common in some regional Greek versions.

Storage and Reheating

Tzatziki is best served cold and does not need reheating. Store it in an airtight container in the refrigerator for up to 4 days. Stir well before serving, as some liquid may separate. If it becomes too thick, you can thin it with a little milk or water. Freezing is not recommended, as the texture of the yogurt and cucumber will become watery and grainy upon thawing.

Frequently Asked Questions

Can I use regular yogurt instead of Greek yogurt? Yes, but you must strain it first. Place a fine-mesh strainer lined with cheesecloth over a bowl, add the yogurt, and let it drain in the refrigerator for at least 2 hours or up to overnight. This removes excess whey and thickens the yogurt to a Greek-style consistency.

How do I keep tzatziki from becoming watery? The key is to remove as much water from the cucumber as possible. After grating, sprinkle the cucumber with a little salt and let it sit for 10 minutes, then squeeze out the liquid. Also, use full-fat Greek yogurt, which has a higher solids content.

Can I make tzatziki ahead of time? Absolutely. In fact, itâ€™s better when made ahead. Prepare it up to 2 days in advance, store it in the refrigerator, and give it a good stir before serving. The flavors will deepen and meld.

What if I donâ€™t have fresh dill? You can use 1 teaspoon of dried dill, but add it to the yogurt mixture and let it sit for at least 30 minutes to rehydrate. Alternatively, use fresh mint or parsley, which are also traditional in some variations.

Can I freeze tzatziki? Itâ€™s not recommended. The yogurt will separate and become grainy when thawed, and the cucumber will release water, ruining the texture. If you have leftovers, store them in the fridge and use within 4 days.

Is tzatziki gluten-free? Yes, as long as you use pure Greek yogurt and fresh ingredients, it is naturally gluten-free. Always check the labels on any packaged ingredients like yogurt or lemon juice to ensure they havenâ€™t been processed with gluten-containing additives.

More recipes to cook

Safety notes: safe minimum internal temperatures from USDA FSIS; raw and undercooked fish guidance from the U.S. FDA. Food safety notes

Spotted an error? Tell us and we will correct it (corrections policy).