Shrimp, Corn & California Avocado Pasta Salad

The salad::

large California avocado

box small shell whole wheat pasta, cooked and rinsed with cold water

grilled large shrimp (without shells or tails)

grilled corn cobs, kernels cut off & cobs discarded

grape or cherry tomatoes, cut in half

The dressing::

(packed) fresh basil leaves

extra-virgin olive oil

minced shallots

nonfat plain Greek yogurt

kosher salt

ground pepper

Extra salt and pepper, to taste (optional)