For frozen shrimp - allow them to thaw first then pat them dry before beginning. To thaw shrimp quickly, place them in a sealed plastic bag and submerge them in a bowl of cold water for around 25 minutes. Do not use hot or warm water. I would not recommend using precooked shrimp for this recipe.
You can omit the peanuts if desired.
To make this dish spicy feel free to add some chili flakes, dried chili peppers, or Sichuan peppercorns.