Use canned biscuits that you whack against the counter and bake. Flatten the dough and wrap it around the stick. Cover the whole top of the stick and seal the seams as you wrap the dough around the stick. That is, don’t let any of the wood show under the dough.
For a longer “biscuit tube” use 2 biscuits out of the can. Toast the biscuit over the fire; thinner biscuits cook quicker, but take your time. Cook over an open fire. When done it will just pull off from the end of the stick. Now fill the hole with peanut butter and chocolate chips or anything else your heart (or tummy) desires.