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 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 onto a plate. Freeze for at least 20 minutes.
Place the white 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. Use a fork to fully coat each truffle into the melted chocolate. Set back onto a plate, and let sit until the chocolate has completely set.
