Whisk dressing ingredients together in a small bowl until smooth and combined. Cover and refrigerate.
Cook pasta according to package directions. Drain in a colander and rinse well with cold water.
Transfer cooked pasta to a large bowl. Add peas, bacon, red onion and carrots. Toss to evenly combine.
Drizzle with dressing and gently stir to coat as evenly as possible.
Notes
This recipe yields approximately 10 cups.
Store covered in the fridge for up to 3 days.
If pasta soaks up some of the dressing while being refrigerated, moisten it up by adding a little mayo (about 1 to 2 tablespoons) and stir to coat before serving.