Why do we add S to some words but ES to others? And when a word ends with Y, how do we know whether to change the Y to I before adding the plural suffix? And why on earth does knife become knives? You can unravel these mysteries with six simple rules.
Spinach, avocado, goat cheese grilled cheese: 2 out of 5 stars. I didn't have spinach so it was just avocado and goat's cheese. The avocado was mushy when warm. I prefer other combinations of grilled cheese.