This recipe was interesting to say the least. An experiment more than anything. I started out thinking, "Can I make a root beer without using a root beer extract?" As I put half of the ingredients in, I decided to switch mid-stream and try another round of chocolate and see how much sediment you get if you use actual cocoa powder. I knew it was haphazard, and that it could be very awful.
What it ended up being was reminiscent of Chocolate Twizzlers, strangely enough. Though, it's been a while since I've had them.
So here it is for 1/2 gallon:
1 cup sugar
1/8 cup Molasses
1 Tbsp Cocoa Powder
1/2 cup water
1/4 tsp butter flavoring
1/4 tsp vanilla
2 quarts carbonated water
Heat the sugar, molasses and cocoa powder in the water until the sugar is dissolved and the cocoa dispersed, then remove from heat. When the syrup has cooled, add the butter and vanilla flavors. Top up with carbonated water.
With cocoa powder, there will be noticeable sediment, but a good swirl before opening and you should be fine unless you open the bottle warm... which resulted in a gusher. Oops.'