Cook the rice vermicelli according to the package instructions. Drain and rinse with cold water to stop the cooking process. Set aside.
Pat the thawed prawn cutlets dry with paper towels.
Heat a pan over medium-high heat and add a splash of oil.
Cook the prawns for 2-3 minutes per side or until they are opaque and cooked through. Set aside.
In a large bowl, combine the carrots, cucumber, bean sprouts, red capsicum, mint, basil and spring onion.
To make the sauce, in a small bowl, whisk together the peanut butter, soy sauce, rice vinegar, lime juice, honey, sesame oil, ginger and garlic.
Add water, one tablespoon at a time, until you reach your desired consistency.
Toss the cooked rice vermicelli and prawns with the vegetables in the large bowl.
Distribute between shallow bowls, drizzle with satay sauce and sprinkle with sesame seeds.