Peel, core, cut in half 5 pound pumpkin. Cook in microwave until softened. (Large pumpkin, 15 minutes each half.) Cut into 1" cubes. Put in kettle. Add 1 cup water. Cook until pumpkin is soft enough to mash. Add half as much sugar as pumpkin. Can use part brown sugar. Add cinnamon, nutmeg. Simmer over low heat at least 2 hours. Stir frequently to prevent scorching. Pour into hot sterilized jars. Leave 1/2" head room. Process in a boiling water bath for 10 minutes to insure seal.