To Make Whoopie Pie Filling: Beat egg white and mix with the milk, 1 teaspoon vanilla and 125g of the icing sugar. Mix well then beat in the butter and the remaining sugar. Beat until light and fluffy.. Welcome to Flonga Games! All the games on our site are FREE to play and we launch new games every day. You can play thousands of free online games including action, life, puzzle, skill and sports games.. Fall in love with this easy recipe for whoopie pies. Two light discs of chocolate sponge sandwich a fluffy vanilla buttercream filling. Perfect for cake sales, packed lunch treats or making friends at the office!. Available for download now. 3.8 out of 5 stars 14. Amazon's Choice for "whoopie pie" Wilton 12 Hole Whoopie Pie Tin. by Wilton. £12.49 Prime. Eligible for FREE UK Delivery. More buying choices. £12.06 (6 new offers) 5 out of 5 stars 3. Product Description WILTON-Whoopie Pie Pan. Make fun Whoopie Pies perfect for sharing and Whoopie Pies: 70 Delectably Different Recipes Shown Step by . We come from an area of Pennsylvania where we can buy homemade whoopie pies, but this place is the best. There are so many kinds of whoopie pies you just can't imagine. And they are just great!!! How about a whoopie pie that is 8 inches round? Totally awesome. This is a shop that sells whoopie pies and muffins in. A whoopie pie is a sweet baked item which is a cross between a soft biscuit, a cake and a pie. It is made up of two round pieces of cake-like biscuits (cookies) which are sandwiched together with a sweet, creamy filling. Other names given to these sweet delights have included hucklebucks, gobs and BFOs (big fat Oreos)..