Most people really take for granted that their meal is going to obey the normal laws of space and time. Then, when something like this occurs, it's quite a shock.

Yes

Can’t unsee.

It's actually easy to explain.

Gravity pulls things down so you can't have things stacked on top of each other like this unless gravity is flipped.

Actually the peas are the right way up and everything else is upside down

I think it's a matter of shade and lighting that lets us detect that they are in fact upside down.