Name: Cucumber Rounds with Homemade Tzatziki
Prep time: 15 min
Total time: 15 min
Cuisine: Greek
Ingredients: 1 large English cucumber, about 1 lb total, divided into rounds and grated; 1 cup plain nonfat Greek yogurt; 1 tbsp extra-virgin olive oil; 1 tbsp fresh lemon juice, from about half a lemon; 1 tsp lemon zest; 1 small clove garlic, minced; 1 tbsp fresh dill, chopped; 1 tbsp fresh mint, chopped; ¼ tsp fine sea salt; ¼ tsp black pepper, freshly ground; ¼ tsp smoked paprika, for topping; 2 medium radishes, thinly sliced

Cucumber Rounds with Homemade Tzatziki

Crisp cucumber rounds topped with a cool, garlicky, lemon-bright tzatziki that makes a light snack you can feel good about.

By the Diabetic Plate kitchen November 13, 2026

MealSnack

Prep15 min

Total15 min

Serves4

Some afternoons you want something crisp and refreshing, but you do not want a heavy plate of food. That is where these cucumber rounds come in. We love them because they take about fifteen minutes, use simple ingredients you probably already have, and taste like a trip to a Greek seaside cafe.

Why Cucumber and Yogurt Work So Well

Cucumber is about as light as vegetables get. It is mostly water, with very few carbohydrates and very little natural sugar. That makes it a natural base for a snack when you are paying attention to blood sugar. Instead of a cracker or a chip, you get a cool, juicy round that holds a little topping and crunches when you bite it.

The topping is tzatziki, the classic Greek yogurt sauce. Traditional versions use a lot of full-fat yogurt and sometimes extra oil. Ours uses nonfat Greek yogurt, which is thick and creamy, and just one tablespoon of olive oil for the entire batch. You still get a rich, tangy flavor, but the fat stays modest.

Keeping the Sauce Thick and Bright

The most common mistake with homemade tzatziki is a thin, watery sauce. The fix is simple: grate part of the cucumber and squeeze out the liquid before you stir it in. A clean kitchen towel works well, and so does a fine strainer pressed with a spoon. Next, add lemon juice and zest for brightness, garlic for bite, and fresh dill and mint for a cool finish. Let the bowl sit in the refrigerator for about fifteen minutes so the flavors can get to know each other.

Making the Snack Look Good Without Extra Work

We like to slice the cucumber into rounds about a quarter inch thick, which gives you a sturdy base. Add a dollop of tzatziki to each round, then a thin slice of radish for color and a little peppery crunch. A light dusting of smoked paprika makes the plate look finished. This is an easy snack to put out for guests, pack for a picnic, or enjoy on your own while you catch up on the day.

Who This Snack Is For

These rounds fit well into a balanced day, especially as a light bite between meals or alongside a larger plate of lean protein. They are not meant to replace a full meal, but they can help you enjoy something satisfying without a big spike in carbohydrates. Enjoy them fresh, and enjoy them often.

Ingredients (4 servings)

1 large English cucumber about 1 lb total, divided into rounds and grated

1 cup plain nonfat Greek yogurt

1 tbsp extra-virgin olive oil

1 tbsp fresh lemon juice from about half a lemon

1 tsp lemon zest

1 small clove garlic minced

1 tbsp fresh dill chopped

1 tbsp fresh mint chopped

¼ tsp fine sea salt

¼ tsp black pepper freshly ground

¼ tsp smoked paprika for topping

2 medium radishes thinly sliced

Instructions

Drain the grated cucumber. Cut about two-thirds of the cucumber into 1/4-inch rounds and set them aside. Grate the rest on the small holes of a box grater, then press it in a clean towel or fine strainer to remove as much liquid as you can.

Make the yogurt base. In a medium bowl, stir together the Greek yogurt, olive oil, lemon juice, lemon zest, and minced garlic. Add the drained grated cucumber.

Season the tzatziki. Stir in the chopped dill, mint, salt, and pepper. Cover and chill for at least 15 minutes so the flavors can blend.

Assemble the rounds. Arrange the cucumber rounds on a serving plate. Spoon a small dollop of tzatziki onto each round, then top with a slice of radish.

Finish and serve. Dust the tops lightly with smoked paprika and serve right away, or keep the tzatziki chilled and assemble just before guests arrive.

Tips

Use an English cucumber because it has thinner skin and fewer seeds, so the rounds stay firm and the tzatziki is less watery.

Squeeze the grated cucumber well. Extra liquid is the main reason tzatziki turns thin.

Use nonfat Greek yogurt, not regular yogurt, for a thick base with more protein and less fat.

Storage: Store the tzatziki in a covered container in the refrigerator for up to 4 days. Stir well before serving, since a little liquid may collect on top. Keep the cucumber rounds separate in a sealed container lined with a paper towel, and assemble within a few hours so they stay crisp. There is no need to reheat this snack.

Cucumber Rounds with Homemade Tzatziki

Why Cucumber and Yogurt Work So Well

Keeping the Sauce Thick and Bright

Making the Snack Look Good Without Extra Work

Who This Snack Is For