In a medium mixing bowl, add peanut butter, soy sauce, rice vinegar, sesame oil, fish sauce, maple syrup, cumin, coriander, chili powder, and sesame seeds. Whisk until combined.
1 1/2 tablespoons peanut butter, 3 tablespoons soy sauce, 2 1/2 tablespoons rice vinegar, 3 tablespoons sesame oil, 1 1/2 tablespoons maple syrup, 1 1/2 teaspoons fish sauce, 1/4 teaspoon cumin powder, 1/8 teaspoon coriander powder, 1/2 teaspoon chili powder, 1 tablespoon sesame seeds