Grease a large baking sheet and set aside. In a large mixing bowl, beat together egg white and water until frothy. Mix with pecans, tossing until evenly coated. Add sugar and cinnamon and toss until completely covered. Pour coated pecans over prepared pan and bake in oven for 45 minutes, stirring every 15 minutes. Cool completely before serving.
Makes 5 to 6 cups.
