Preheat oven to 400.
In a processor add flour, baking powder, baking soda, salt, and sugar.
Pulse to combine. Add the cold butter, process until well combined. Add to a large bowl.
Add the buttermilk and beer. Mix with a fork until just combined.
Add to a well-floured flat surface, pat into a rectangle. Using a cold rolling pin (preferably marble) gently roll into a large rectangle, about 1 inch in thickness, using as few strokes as possible.
Fold the dough into thirds as you would a letter about to go into an envelope. Roll lightly, once in each direction to about 1 inch thickness, fold in thirds again. Gently roll into about 1 1/2 inch thickness (this will give you the flakey layers).
Using a biscuit cutter cut out 6 to 8 biscuits. Place in a baking pan that has been sprayed with cooking spray.
Brush biscuits with melted butter, sprinkle salt.
Bake at 425 for 10 to 12 minutes or until the tops are golden brown.
While the biscuits bake, make the gravy.
Melt the butter in a sauce pan over medium high heat.
Sprinkle the chicken thighs with salt and pepper. Sear on each side until golden brown, remove from the pan, chop (they do not need to be cooked through).
Add the onions, cook until softened, about five minutes. Add the mushrooms, cook until mushrooms are dark brown and soft.
Sprinkle with flour, cook until the flour has turned brown, about 2 minutes.
Add the beef stock and stout. Simmer until thickened. Add the chicken cubes back into the pan, simmer until cooked through.
Add the cream, honey, stir until well combined.
Salt and pepper to taste.
Split the biscuits, fill with gravy.