Greek Tzatziki Sauce Recipe Sour Cream: Cool Cucumber and Dill Refreshment

This creamy tzatziki delivers the authentic Greek flavors you love with a simple sour cream base. The cool cucumber and fresh dill create a refreshing dip that elevates any meal.

With just 5 ingredients and 10 minutes of prep, you’ll have a velvety sauce perfect for gyros, veggies, or grilled meats. The key is straining the cucumber to prevent a watery texture.

Ingredients for Greek Tzatziki Sauce Recipe Sour Cream

Seven simple ingredients for that authentic Greek flavor in a creamy, cool dip.

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The sour cream is the base here, so full-fat is non-negotiable—it gives that rich, velvety texture. English cucumbers are seedless, which means less water (and less straining). Grab them from Whole Foods or any well-stocked grocery store. Fresh dill matters—look for bright green fronds with no wilting. The garlic? Use fresh, never powder (trust me, it’s worth the extra minute).

No English cucumber? Regular cucumber works, just peel and seed it well. Out of dill? Dried dill at one-third the amount (or use fresh mint for a twist). The olive oil can be any good quality—California Olive Ranch is a solid grocery store pick. Lemon juice from a bottle is fine in a pinch, but fresh adds that bright pop.

Tzatziki keeps 3-4 days in the fridge—store in a sealed container with plastic wrap pressed right on the surface to prevent browning. The flavors deepen overnight, so make it ahead if you can. Doesn’t freeze well (the cucumber gets watery).

Step-by-Step Instructions for Greek Tzatziki Sauce

Here’s the method. Straightforward, tested, works every time.

Step 1: Prepare the Cucumber

Peel the English cucumber and cut it in half lengthwise. Using a spoon, scrape out and discard the seeds—they contain excess moisture that would water down your sauce. Grate the cucumber using the large holes of a box grater or pulse it in a food processor until finely chopped.

Place the grated cucumber in a clean kitchen towel or cheesecloth and squeeze out as much liquid as possible over the sink. This step is crucial—you need completely dry cucumber to prevent a runny sauce. I press down firmly with the heel of my hand, twisting the towel to extract every last drop.

Step 2: Mix the Wet Ingredients

In a medium bowl, combine the 1.5 cups sour cream with the 1 tablespoon lemon juice. Whisk until smooth and fully incorporated. The acidity from the lemon brightens the richness of the sour cream and adds that signature tang to the sauce.

Drizzle in the 2 tablespoons extra-virgin olive oil while whisking to create a silky emulsion. You’ll notice the mixture become glossy and slightly thickened. The olive oil adds depth and a luxurious mouthfeel to the finished sauce.

Step 3: Add Aromatics and Season

Add the 3 cloves minced garlic to the bowl. I prefer freshly minced for the best flavor, but pressed garlic works too. Stir in the 0.25 cup finely chopped fresh dill—make sure to remove any thick stems first, as they can be bitter.

Sprinkle in the 0.5 teaspoon salt and fold everything together gently. Taste and adjust the salt if needed, but remember the flavors will develop as it chills. The garlic should be noticeable but not overpowering, and the dill should provide a fresh, herbal note.

Step 4: Incorporate the Cucumber and Chill

Add the prepared cucumber to the bowl and fold it in until evenly distributed. The cucumber should be fully coated in the creamy mixture. At this point, the sauce might look a bit thin, but it will thicken as it chills.

Cover the bowl with plastic wrap and refrigerate for at least 2 hours, or preferably overnight. This chilling time allows the flavors to meld together beautifully. The sauce will also thicken slightly as the cucumber reabsorbs some liquid.

Give it a final stir before serving. The finished sauce should have a creamy texture with visible flecks of cucumber and dill, and a bright, refreshing flavor that’s perfect for dipping, drizzling, or spreading.

Common Mistakes When Making This Recipe

🥒 Using Watery Cucumbers

If your cucumbers aren’t drained properly, your tzatziki will turn out thin and watery. Excess moisture dilutes the rich flavors of sour cream, garlic, and dill, leaving you with a runny sauce instead of a creamy one.

Fix: Grate the cucumbers, salt them, and let them sit in a colander for 10-15 minutes. Squeeze out all the moisture using a clean towel before mixing.

🧄 Overpowering Garlic

Too much garlic can dominate the fresh, tangy taste of your tzatziki. While garlic adds a punch, an excessive amount can make the sauce bitter or overly pungent, masking the subtle flavors of dill and cucumber.

Fix: Start with 1-2 cloves of minced garlic, taste, and adjust. For a milder flavor, remove the garlic’s core before mincing.

🌡️ Skipping the Chill Time

Serving tzatziki immediately after mixing can result in a flat taste. The flavors need time to meld together, and skipping this step means missing out on the depth that comes from resting.

Fix: Refrigerate the sauce for at least 1 hour before serving. This allows the sour cream, herbs, and garlic to harmonize beautifully.

🥛 Overmixing the Sour Cream

Vigorously stirring the sour cream can break its structure, turning your tzatziki from creamy to thin. Sour cream is delicate, and overworking it leads to a less appealing texture.

Fix: Gently fold the ingredients together with a spoon until just combined. This keeps the sauce thick and luscious.