Make the pasta according to the package. Once it is finished, drain and rinse with cold water.
Add red onion, red bell pepper, peas, carrots, and celery to a large mixing bowl
Combine tahini, sour cream, red wine vinegar, maple syrup, garlic powder, dill, red pepper flakes, salt and pepper into a small bowl. Whisk until combined.
Add macaroni to the large mixing bowl along with the sauce. Mix the macaroni salad until everything is evenly coated.
Serve right away or chill in the fridge before enjoying.