Watermelon, Mint & Feta Salad

Ingredients

• 1 watermelon, about 2 kilos
• 200g feta, cut into small thick slices
• 20g fresh mint leaves
• 50g rocket leaves
• 20 - 30 black pitted olives
• 3 baby cucumbers or ¼ standard cucumber, sliced fairly thinly
• 1 medium small red onion, cut into very thin slices
• Olive oil, and lemon juice/balsamic vinegar, to taste