1. Cook the penne in a large pot of lightly salted boiling water, according to the package instructions, until al dente.

2. Meanwhile, steam the broccoli and asparagus for 4 minutes. Add the snow peas and carrots and steam about 3 minutes more, until the vegetables are crisp-tender. Remove from the heat.

3. Whisk the vinegar, mustard, and garlic in a large bowl, then gradually whisk in the oil. Drain the pasta well and add to the bowl. Toss in the vegetables and basil. Season with salt and pepper. Serve warm.

Variation:

Creamy Pasta Primavera: In place of the vinaigrette, add 2/3 cup créme fraîche and 1 tsp whole-grain mustard to the vegetables and pasta. Thin with a little of the pasta cooking water if necessary.