Pasta, Pesto, and Peas With Grilled Chicken

1 1/2 lb. bowtie pasta
1 1/2 cups pesto
Zest and juice from 2 lemons
3/4 mayonnaise (I use a little less than this.)
1/2 cup grated Parmesan cheese
1 1/2 cups frozen peas, thawed
1/3 cup pinenuts, toasted

1 lb. chicken, grilled and cut into chunks

1. Cook pasta according to package directions; drain.
2. Combine pesto, lemon zest and juice, and next 4 ingredients. Toss with pasta and grilled chicken. Serve at room temperature, or chill until ready to serve.