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 the milk and vanilla extract, and mix until smooth.
Add in the heated flour, mix until it is fully combined. Fold in the sprinkles. Roll the cookie dough into balls, and place them onto a plate, refrigerate for at least 20 minutes.
Place the chocolate chips in a microwave-safe bowl, and heat in the microwave in 30-second intervals, stirring well until it is fully melted and smooth. Use a fork to fully coat each cookie dough truffle into the melted chocolate. Set them back onto plates, and let sit until the chocolate has completely set.
