Blueberry Muffins

1 3/4 cup flour
1/2 tsp salt
3 tsp baking powder
1/2 cup sugar
1 egg (slightly beaten)
1 cup milk
1/4 cup melted butter
1/4 cup flour
1 cup blueberries

Preheat oven to 375 degrees. Butter and flour pans or fill with liners.
Mix flour, powder, salt and sugar in a large bowl. Add the egg, milk and butter, stirring only enough to dampen the flour. Sprinkle 1/4 cup flour over the blueberries and stir into the batter last. Spoon the batter into the muffin pan, bake 20-25 minutes.