Place the flour into 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 Valentine's day themed sprinkles. Evenly divide the cookie dough between half of the pretzels. Sandwich with the remaining half of pretzels.
Place the chocolate chips into a microwave-safe bowl, and heat in the microwave in 30-second intervals, stirring well until it is fully melted and smooth.
Dip half of each pretzel bite into the melted chocolate. Set onto plates, and let sit until the chocolate has completely set.
