Recipes: Grilled pesto chicken with summer squash

Preparation:    Preparation time: 10 mins Cooking time: 15 mins Serving: 4 Ingredients: 1/4 c. toasted walnuts 3 tbsp. refrigerated pesto 1 tbsp. fresh lemon juice Kosher salt and black pepper 3 zucchini 2 yellow squash, cut lengthwise into thick slices 1 tbsp. olive oil 4 boneless, skinless chicken breast fillets 2 tsp....