Wash and dry the cucumber. Cut it in half lengthwise and then into bite-sized pieces.
Dice the tomato and thinly slice the red onion.
In a large bowl, combine cucumber, tomato, red onion, and chopped chilies.
Add chopped coriander leaves and crumbled cheese.
Drizzle with lime juice and sprinkle with ground Sichuan pepper and salt to taste.
Gently toss everything together until well combined.
Serve immediately and enjoy the refreshing flavors!