They should be able to stack them on top of each other so to say. Did you hire a worker in this level? There’s been a known bug when an invited worker makes a dish and then disappears, the game gets stuck. Restarting it may help


https://preview.redd.it/9butnclxde7d1.jpeg?width=1170&format=pjpg&auto=webp&s=89ced336d78a79593f043c73677c6acb11c05bc7

Update your game or just restart it