1. In a saucepan, bring water to a boil. Add peas & blanch 1-2 minutes or until bright green. Drain immediately & add peas to a bowl of iced water. Cool 2 minutes, drain & add to a large serving bowl.
2. Add cucumbers, tomatoes & dill to bowl. Toss to mix.
3. In a small bowl add lemon juice, oil & pepper. Whisk together.
4. Pour dressing over salad & toss to coat. Serve immediately.