She wore that swimsuit on purpose to tempt you. It lulls you into a false sense of security while she feeds you... I don't even think I can categorize that as food.
I bet there are drinks that normally have that colour. As for the food, maybe it originally was something like this ice cream (link), only it has melted, and the colourful topping has got dissolved... Ok, maybe I'm a bit too optimistic here.
