Easy, the kind that you want to eat the most will always melt the fastest unless eaten quickly. Merry Christmas
Which brand of chocolate melts fastest in the sun?
The chocolates that have more animal protein, bone milk, are the ones that melt faster in the sun, let's say if the chocolate has a higher percentage of cocoa, it lasts more solid in the sun because it is an almost pure product, while if it has milk, the animal fat goes away. Less solid, causing it to melt faster in this link https://chocolateandlove.com you have this information but more explicit