Pasta

1. Place a large pot of water over high heat and bring to boil. When boiling, add salt and stir. Cook pasta into the boiling water until "Al Dente" (around 5-6 minutes).
2. Drain pasta and keep some starchy water for the sauce. Set the pasta aside.

Sauce

1. Chop chilli padi and garlic. Cut the shrimps into smaller pieces.
2. Heat olive oil in a large pan over medium heat.
3. Add garlic, then chilli padi, and saute for 3 minutes.
4. Add shrimps, pepper and white wine (optional), and cook for 3 minutes, then set aside.
5. Add sliced tomatoes and tomato puree and simmer over medium-high heat for 15-20 minutes.
6. Add a pinch of salt if necessary.
7. Stir often until reduced then add back the shrimps.
8. Add pasta back into the pan with the sauce, then cook it for another 1-2 minutes.
9. Sprinkle with chinese celery, toss well, and serve hot.