Wash two English cucumbers thoroughly, dice them into small pieces, sprinkle with salt, and set aside in a colander for 15 minutes to drain moisture.

In a mixing bowl, combine 1 cup of yogurt with 1/2 cup of crumbled feta cheese, favorite herbs, lemon zest, and lemon juice. Mix until smooth.

After 15 minutes, drain cucumbers and pat dry with paper towels to remove excess moisture.

Fold cucumbers into the yogurt-feta mixture, ensuring each piece is well-coated.

Assemble sandwiches by laying sprouts on bread, adding the cucumber-yogurt mix, and topping with onion slices if desired. Close with another slice of bread.

Cut sandwiches into halves or quarters and serve immediately for best freshness.