In a bowl, mix together the flour, baking powder, salt and sugar. Add ½ the flour mixture to your mixer. Add the milk, eggs, vanilla and butter. Then add the rest of the flour mixture. Use the batter setting on your mixer.
If hand mixing
In a bowl, mix together the flour, baking powder, salt and sugar. Make a well in the center and pour in the milk, egg, vanilla and melted butter and mix until smooth.
Cut strawberries up into small pieces.
Heat a lightly buttered or oiled griddle on medium high heat. Pour approximately ¼ cup batter onto the griddle. Sprinkle pieces of strawberry on top of the batter and cook until golden brown. Flip it over and cook until golden brown and serve hot.