That looks tasty. I may have to give that a go myself.
To the OP,
Have you tried emailing Schlafly or better yet (since you're in St. Louis) maybe talk to someone at the Bottleworx? Maybe someone there would be willing to help with a clone version of something very close to that. I have emailed them on some of the items they sell and was surprised how quick they replied to me.
My younger brother used to live in St. Louis. He moved to Florida recently and I still have a 12 pack sampler from Schlafly that he brought back. He used to bring me something from there every time he would come visit. I'm gonna miss that now that he no longer lives there. I love their beer!
On Deck: Nut Brown Ale, West Coast Radical Red, Mongoose IPA, Strawberry Blonde, Cascading Falls Pale Ale
Primary: Dawson's Multigrain Red, Yazoo Dos Perros clone
Bottled: Dead Ringer IPA, Keeler's Reverse Burster Altbier, Petite Saison d'Ete, St Paddy's Irish Stout, Rum Runner Stout (1G), La Petite Orange, Chocolate Milk Stout
Kegged: St Paddy's Irish Stout, Chocolate Milk Stout. La Petite Orange, Dead Ringer IPA