Fancy a delicious spider? Part some cooked eggs on halves and scoop out the yolk. Mix it with tuna and mayonnaise, and fill the hollow with the mixture. Then, take some black olives and decorate forming spiders. You can make eyes with ketchup to make them more diabolic.
Seen in: http://noticias.eltiempo.es/2014/10/31/7-recetas-faciles-para-halloween/