Place the flour in a microwave-safe bowl, and heat in the microwave for about 40 seconds. In a large bowl, combine butter with sugar until fluffy. Add in milk and vanilla extract, and mix until smooth.
Add in the heated flour, mix until it is fully combined. Fold in the chocolate chips. Evenly divide the cookie dough between half of the pretzels. Sandwich with the remaining half of pretzels.
Place the chocolate chips in a microwave-safe bowl, and heat in the microwave until it is fully melted and smooth. Dip half of each cookie dough bite in the melted chocolate and set onto plates. Let sit until the chocolate has completely set.
