Cook the Orzo pasta according to the directions, drain, rinse with cold water and drain again.
In a large bowl, add the pasta, all of the vegetables and bacon. Stir to combine.
In a separate bowl, whisk together all of the dressing ingredients except the Parmesan cheese.
When the dressing is smooth and creamy, taste and adjust the seasoning to your liking. Don't add salt yet, because the Parmesan is salty.
Add the Parmesan to the dressing and whisk again until completely blended.
Pour the dressing over the pasta salad and mix well.
Taste and adjust the seasonings again.
This is delicious served at room temperature or cold.
Notes
As with any pasta salad, this soaks up the dressing, so the next day I drizzled in some more balsamic to moisten it up.Some variations to the dressing would be lemon, regular balsamic, red wine vinegar, olives, crushed red pepper...and the list goes on.