Ingredients

1 cup plain yogurt

 1 cup sour cream

 1 teaspoon white vinegar

 1/2 teaspoon lemon juice

 1 small cucumber - peeled, seeded, and finely chopped

 1 green onion

 1 garlic clove, minced

 1/4 cup crumbled feta cheese

 1/2 teaspoon oregano

 1/4 teaspoon lemon zest

 salt and pepper to taste

Directions

Stir together the yogurt, sour cream, vinegar, lemon juice, cucumber, green onion, garlic, feta cheese, oregano, lemon zest, salt, and pepper in a bowl; cover and chill 8 hours or overnight before serving.