Remembering moms and grandmothers. This will take you back!
Cook macaroni al dente, in boiling salted water according to package instructions. Drain and rinse with cold water and then drain again. Set aside to cool. Toss all vegetables with macaroni. In a small bowl, mix celery salt, garlic powder, parsley, freshly ground pepper with the vegan mayonnaise. Gently stir into the vegetables and macaroni. Taste for seasonings. Put in the refrigerator until time to serve.