Place flour in a microwave-safe bowl, and heat in the microwave for 40 seconds. In a large bow, mix together butter and sugar until fluffy. Add in vanilla extract and flour until a thick dough forms. Fold in chocolate chips.
Roll the cookie dough into balls and place onto a plate. Place chocolate chips into a microwave-safe bowl, heat in the microwave in 30-second intervals, stirring well until it is fully melted and smooth.
Coat each truffle in the chocolate and set onto a plate. Decorate with candy eyes, pretzels and M&Ms. Let sit until it is completely set.
