In a large mixing bowl, beat butter, vanilla and powdered sugar until smooth. Add in milk and beat an additional 2-3 minutes until fluffy. Stir in Yum Crumbs Chocolate Eclair Topping. Cover and refrigerate for about an hour.
Scoop 1 Tablespoon balls onto a parchment paper lined baking sheet. Freeze balls for about 30 minutes.
Once firm, remove balls from freezer, and use your fingertips to shape smooth.
Melt chocolate wafers according to package directions. Using a toothpick, dip each truffle into the melted chocolate, tapping on the side of the bowl to remove the excess. Drop onto parchment paper and add Yum Crumbs Chocolate Eclair Topping immediately. Repeat for remaining truffles.