Miracle Cheese

From the Super Mario Wiki

Miracle Cheese is an item exclusive to Mario & Luigi: Bowser's Inside Story + Bowser Jr.'s Journey, the Nintendo 3DS remake of Mario & Luigi: Bowser's Inside Story. When used, it recovers all Brawl Points. Miracle Cheeses trumps regular Cheeses, Super Cheeses, Ultra Cheeses, and Max Cheeses in how much BP it recovers.