1 C. plain whole-milk yogurt
1/2 medium cucumber, peeled, seeded, and finely diced
3/8 t. salt
1 T. fresh lemon juice
1 small garlic clove, minced or pressed
1 T. finely chopped fresh mint or dill
Line fine-mesh strainer set over deep container or bowl with 3 paper coffee filters or triple layer of paper towels. Spoon yogurt into lined strainer, cover, and refrigerate for 30 minutes.
Meanwhile, combine cucumber, 1/8 t. salt, and lemon juice in colander set over bowl and let stand 30 minutes.
Discard drained liquid from yogurt. Combine thickened yogurt, drained cucumber, remaining 1/4 t. salt, garlic, and mint in clean bowl.