Cooking meat on fire is an easy way to consume some calories in DayZ: 1. Gather four short sticks by chopping down small bushes. 2. Place the sticks in the appropriate location for your fireplace. 3. Combine the sticks with a rag and craft a fireplace. 4. Start a fire with a lighter, box of matches, road flare, or hand-drill kit. 5. Get a long wooden stick by chopping down a bush. 6. Put raw meat from your inventory onto the stick. 7. Stand close to the fire and begin to cook the meat by clicking or pressing the action button.