Ingredients - 2-3 lbs of beef bones - 2-3 quarts of filtered water - 2 tsp of apple cider vinegar Instructions - Roast the bones (optional) - preheat the oven to 400f (200c) - spread bones on a baking sheet and roast for 25-30 minutes until browned - prepare the broth - place bones in a large pot, slow cooker, or pressure cooker - add water to cover the bones completely - stir in apple cider vinegar - and let sit for 30 minutes to help release minerals