NPH insulin has the advantage that it can be mixed with an insulin that has a faster onset to complement its longer lasting action, which is the primary reason NPH remains on the market today, because manufacturers sell a variety of premixed insulin formulations.
Wrap the foil tightly around the brisket to seal in heat and moisture while it cooks. Place the baking dish with the aluminum-wrapped brisket in the oven and bake for around one hour per pound of meat. Increase cooking time to 90 minutes per pound if you are cooking larger cuts of brisket, those weighing 8 to 12 pounds.
For cooking one brisket, you'll need about 15 to 20 pieces of split wood. Add pieces one at a time between turning the brisket to keep a constant heat. Once the flames die down, the embers are hot, and there's a little flame, but not so hot it blackens the meat, sear for about 20 minutes per side.