Feta Cheese (optional)
Halve two or three cucumbers lengthwise and cut into slices. Toss with a sprinkle of salt and let sit for 5-10 mins. Add an equivalent amount of chopped tomatoes and sliced sweet onions. Add chopped herbs to taste.
Toss with a splash of vinegar (white or apple cider), about one tablespoon of olive oil, and freshly ground pepper. Serve.