You can upgrade either the Pantry or Barn, which will expand their capacity.
- Tap on the either Barn in your Farm or the Pantry in the Restaurant. You can toggle between the two in the pop-up.
- Tap on the Upgrade icon at the bottom of the pop-up screen.
- Collect the required upgrade items by completing orders with the Delivery Truck or buy them using Gems.
- Tap the Increase button once you have the required items.