1. in bowl, beat egg, milk, oil. Combine flour, sugar, baking powder and salt. Stir into egg mixture until smooth (batter will be thick).
2. Peel, core and cut apples in 1/2 inch rings.
3. In eletric skillet or deep fat fryer, heat oil to 375 degrees. Dip apple rings into batter. Fry, a few at a time, until golden brown.
4. Drain on paper towels. Combine sugar and cinnamon and sprinkle over hot fritters.