While being meat free
Many sweets contain gelatin, which is produced by boiling animal bones, so they are unsuitable for vegans.
Plants, too, can benefit from animal by-products, such as manure
( Smash Monkey 2 Prozac is apparently good for menopause, Thu 25 May 2023, 8:29, archived)

While we hope this list proves helpful, we also want to emphasize that no one can avoid every single animal ingredient. Being vegan is about helping animals, not maintaining personal purity.
Boycotting products that may contain trace amounts of animal products can actually be harmful to animals in the long run. For example, by refusing to eat a veggie burger from a restaurant because the bun may contain traces of milk or eggs, you are discouraging that restaurant from offering vegan options because it is seems too difficult a task.
( Turtle Power & Knuckles, Thu 25 May 2023, 8:33, archived)

But it's probably for the best that the restaurant ceases trading, because they are not ethical absolutists.

( Turtle Power & Knuckles, Thu 25 May 2023, 8:36, archived)

They should be mulched

( Smash Monkey 2 Prozac is apparently good for menopause, Thu 25 May 2023, 9:58, archived)