Line a cookie sheet with parchment paper; set aside
Place sugar cookies in a food processor; process until cookies become fine crumbs; add cream cheese; process again until well-combined, 1-2 minutes
Shape cookies into balls about 1 inch in diameter; place on prepared cookie sheet; place in freezer for 15-20 minutes
Melt white chocolate while the cookies freeze; in a medium bowl melt the chocolate according to instructions on package
Remove cookie balls from fridge; using two forks, dip and roll the chilled cookie balls in the chocolate coating; return coated truffle to cookie sheet; top immediately with sprinkles
