Walnut Arugula Pesto
Walnut Arugula Pesto on Grilled Shrimp Skewers 2 cloves garlic, peeled 1/2 cup raw walnuts 1 cup arugula 1 cup fresh basil leaves 1/4 cup Parmigiano Reggiano cheese, finely grated 1/2 cup extra-virgin olive oil Sea salt to taste 1 ½-2 pounds uncooked, jumbo peeled and deveined shrimp,