Stir sugar into mix. Beat egg and add to water. Add water-egg mixture to mix; stir just until blended, will be lumpy. Bake in well-greased muffin pans at 400 for about 20 minutes. YIELD: 12 medium muffins.
(May sprinkle muffins with cinnamon-sugar topping, before baking, if desired. See Basic Coffee Cake recipe.)
Add 3/4 cup finely-diced, peeled apples, 1/16 tsp. cinnamon, and dash nutmeg to the mix. If apples are sour, sugar may be increased to 2 Tbsp.
Add 1/2 cup canned and drained, fresh, or frozen, thawed and drained blueberries to the mix.
Add 1/2 cup mashed banana and 1/4 tsp. nutmeg. Reduce water to 1/2 cup.