Preheat the oven to 200 degrees C.
Cook pasta according to package instructions; drain and reserve about 1 cup of the pasta water.
In a blender, combine the almonds, chicken stock, olive oil, and garlic. Blend until the mixture is smooth.
Pour the mixture into a larg e bowl. Add the chicken, peas, cream and lemon zest. Season with salt and pepper, to taste
Add the cooked pasta and ½ cup of the Parmesan and mix until well combined.
Add the pasta mixture to single serving bowls and divide the remaining cheese on each bo wl. Put the bowls in the oven for 20 - 25 minutes until bubbly and golden brown on top.
Leave to rest for a couple minutes before serving. Garnish with the basil, and serve.