A easy sweet spicy sauce prepared from chilli peppers,white vinegar & corn flour best goes with the barbecued, grilled, fried and steamed dishes. Sweet chili sauce, also known as Thai chili sauce is made using dried chili flakes and is primarily a sweet condiment that also has sour and spicy notes. Sriracha is a spicy, bright red chili sauce made with peppers, vinegar, garlic, and a few other ingredients.