From Brotato Wiki
How to Unlock
Pick up 20 consumables during a run
Unlocks Spicy Sauce if you win a game with Glutton:
Glutton's Explosion can crit for 1.5 times damage. This isn't listed in the tooltips. But is currently bugged, so that it doesn't scale with your Crit Chance.
Also note that Pickup Range does not affect consumables while you are at full HP; you always have to walk directly onto the fruit to activate the explosion when you're unhurt.
Glutton can start with the following weapons: