Pasta Primavera with greens

2 cups green beans, trimmed and halved crosswise 2 cups broccoli florets 1/2 cup (1-inch) slices asparagus (about 2 ounces) 6 ounces uncooked fettuccine 1[...]

4 tablespoons salt 1/2 pound pasta, fettuccine green 1/2 pound pasta, egg fettuccine * 1/3 cup olive oil 1/2 cup purple onion finely chopped * 3/4 pound snow[...]

1 lb bow tie pasta (farfalle) 1/4 lb asparagus , trimmed and cut into 1-inch lengths 1 cup green peas 10 ounces fresh spinach , stemmed and washed 2 garlic[...]