Amelia’s MOS Burger Published February 22, 2015 in Amelia’s MOS Burger Previous Next Why, yes, that is an egg, a tomato, sweet chilli, cheese and mayonnaise atop a succulent beef patty. It was $3. Why, yes, that is an egg, a tomato, sweet chilli, cheese and mayonnaise atop a succulent beef patty. It was $3.