When golden, remove from the heat, spread on a plate to cool quickly. Roll the dough out into a rectangle about 8x15 inches, and brush with half the melted butter. Spread the cooled onions evenly over half the dough and sprinkle with poppy seeds. Fold remaining half over the onions and press edges together. Brush the top with melted butter and cut into rounds.
Place biscuits on a greased baking sheet with their edges barely touching.
Cover and allow to rise for about 40 minutes. Sprinkle lightly with fresh ground black pepper. Bake in a preheated 400 degree oven for about 20 minutes until lightly browned. Cook in 2 tablespoons butter until wilted. Add a cup of chicken broth and boil liquid down by half.