Ingredients 1 pound zucchini (or any summer squash), sliced into 1/2-inch rounds 3 tablespoons olive oil, divided 3 small cloves garlic 10 mint leaves 5 basil leaves 1 heaping tablespoon capers, rinsed 2 tablespoons walnuts or pine nuts, lightly toasted 1 teaspoon red wine vinegar, more to t