Cold Noodle Salad With Peanut Butter Dressing

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

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

1/4 cup chopped scallion s

1/4 cup salted peanut s, roughly chopped