1. Mix flour, salt, baking powder, and sugar in a large bowl. Beat egg, oil, and water in a separate bowl. Add to dry mixture and mix until smooth.
2. Heat skillet over medium heat and spray with oil. Pour half a ladle of batter into the pan and cook until bubbles start to form on the surface. Flip and cook until browned, one to two minutes more.
3. Serve pancakes topped with pulled beef.