To prepared pesto, put cilantro, garlic, lemon juice, Parmesan cheese, cayenne pepper, pistachios (minus 2 tablespoons) and salt in a food processor or blender. Add about half the olive oil and blend. Add remainder of olive oil and blend until mixture reaches desired consistency.
Bring a large pot of water to a boil. Cook pasta according to package directions, drain.
Return pasta to cooking pot on low heat, add pesto and chicken, heating until warmed through. Add tomatoes. Stir to combine.
Top with reserved two tablespoons of nuts then serve. Can be served warm, room temperature or cold as a summer salad.
Adapted from a recipe developed by Christy Wilson, RD
