So good. Toasted Quinoa, Corn and Avocado Salad teams nutty quinoa with fresh summer vegetables and a lime-cilantro-jalapeno spiked dressing. Think vegetarian cooking requires too much time and effort? Have a look at award-winning cookbook author Marie Simmons newest book , “Fresh & Fast Vegetarian” (Houghton Mifflin Harcourt, $17.95). She has come up with ways to nuance flavors without fiddling…