Combine flour, sugar, salt, baking soda and baking powder in a large bowl.
Work the butter into the dry ingredients with two forks or even your fingers.
Add raisins and combine.
In the middle of the mixture, add the egg and buttermilk.
Stir until combined.
Add another ½ cup of flour if you find the batter to be too sticky.
Using a cookie scoop, add 2 scoops of batter to the muffin tins.
Bake for about 20 minutes or until the muffins are golden and a toothpick comes out clean.
Most of us do not keep extra buttermilk in our refrigerators. Make your own...Mix 1 ½ cup of milk with 3 tbsp and 1 ½ tsp of white vinegar or lemon juice.