I don't use Bettercreme but I do use the Whimsical Bakehouse House Buttercream, which is super-yummy and does not require refrigeration. I add crushed Oreos for a cookies 'n cream filling, crushed grasshopper cookies for a mint cookies 'n cream filling, LorAnn cheesecake flavor for a cheesecake-flavored filling, etc, etc.
The Great Melvira recently posted a whole bunch of info about uses of Bettercream in the Cupcake forum Fun with Bettercream" was the name of it, I think.
Basically you can add any flavored syrup to it, puddings with a bit of milk added, and crushed candy or cookies to name a few. Go take a look in the Cupcake forum, you'll see.
Have fun!
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