"It's like I discover a new odd hobby of yours every single time we talk. This time it's apparently revenge eating."

It's said just dryly enough that it's probably obvious that it's a joke. After all, Alice is so bad at putting actual amusement into her tone that the dry deadpan is the only giveaway...

"But I suppose having some doesn't sound too bad. Perhaps we might even eat some together so you can prevent me from throwing my plate directly back into the sea." Yes, that's an invitation to hang out. Listen, when you suck at being direct about your feelings, this weird indirect way is clearly the only way to go about it.