How did you get your toddler to stop throwing food on the floor?

My 14mo has always loved to throw things off the high chair but recently she’s become obsessed with throwing handfuls of food off. I know sometimes they’ll throw food when they’re done, but she’ll throw her food then eat another handful, or immediately sign for more if there isn’t any on her tray.

I’ve tried saying “throwing food means all done! No more!” And then cleaning her up and taking her out, but this almost always results in tears as she’s not finished and still hungry. I’ll put her back in after a few minutes have passed and try again, but she just does it again. I hate ending mealtime when she’s still hungry 🙁 Has anyone had any luck with stopping this behavior?