Cold Noodle Salad With Peanut Butter Dressing

Name: Cold Noodle Salad With Peanut Butter Dressing
Ingredients: 1/2 pound spaghetti or angel hair pasta; 1/2 cup creamy peanut butter; 1/4 cup rice vinegar; 2 tablespoons soy sauce; 1 1/2 teaspoons chili-garlic sauce or a dash of hot pepper sauce; 1 teaspoon sesame oil (optional); 1 tablespoon grated fresh ginger; 1/2 teaspoon grated lime zest; 1/2 teaspoon kosher salt; 2/3 cup canola oil; 1/2 cup fresh cilantro, roughly chopped (optional); 1/4 cup chopped scallions (optional); 1/4 cup salted peanuts, roughly chopped (optional)