Prepare spiral pasta to al dente.
Combine white vinegar & sugar in medium pot on stove. Heat - don't boil! - until sugar is dissolved, stirring occasionally.
Once dissolved, take off heat & add salt, accent, pepper, garlic powder, yellow mustard, pimento and parsley flakes. Stir together.
Add in the chopped onion and sliced cucumber. Let it marinate for 10 minutes.
Pour it over pasta and stir until pasta is coated.
Place in the fridge to cool & allow to sit for at least an hour or more until serving.
This recipe is best made the day before so ingredients can combine.