National Snack Day: Inside the billion-dollar brands refusing to slow down

Shopping cart in the middle of snack aisle
From biscuits to crisps and frozen sandwiches, a growing group of snack brands now generates $1bn+ in annual sales. (Getty Images)

From Oreo’s $4bn global machine to Uncrustables’ rapid ascent, the snack aisle’s biggest names are banking billions and still investing like challengers