After draining time, shake out any excess moisture from the cucumbers in the colander. Place them into a large bowl.
04Add the tomatoes and onions.
05In a small bowl, whisk together lemon juice, cider vinegar, olive oil, Dijon mustard, sugar, dill weed, pepper and cayenne pepper. Pour over the salad mixture and toss.
06Taste and add additional salt, if necessary.
07If desired, garnish with the crumbled feta cheese.