Step 1. Prepare the cucumbers. Peel the cucumbers and slice them into cucumber medallions. Place them in a bowl.
Step 2. Prepare the tomatoes and onion. Cut the tomatoes in wedges and slice onion lengthwise.
Step 3. Combine the ingredients. Add cucumbers, onions, and tomatoes to the bowl and mix well.
Step 4. Add the dressing. Sprinkle the salt over the ingredients. Add the oil and dill and mix together.
Step 5. Child and serve.