Davis Lime & Jalapeño - © FoodBeast

Herewith, our weekly pick of the top Fast Food and Snacks News: Arby’s and Burger King weigh in with new ‘2 for’ Sandwich deals; SPAM Patties are spotted in California; Jelly Belly goes ‘ultimate hot’ with latest flavours; and Mars débuts the World’s Biggest Snickers Bar (we tell you why)…