Heirloom Wheat Fusilli with Rapini Pesto, Potatoes and Green Beans

Ingredients

• 16oz dry heirloom wheat Fusilli
• 1 bunch of broccoli rabe (rapini)
• 1/2lb boiled potatoes (1/2" cubes)
• 8oz green beans (blanched and cut in 1" pieces)
• 1 cup extra virgin olive oil
• 6-8 cloves of garlic (minced)
• 1/2 of a medium onion or 2 small shallots (diced)
• 1/2 cup cashews (unsalted, roasted)
• 1 cup Parmigiano Reggiano (grated) plus extra for garnishing
• Salt
• Black pepper
• Calabrian Red Pepper flakes (or just red pepper flakes)