Combine flour, baking powder and salt in a large mixing bowl.
In a medium bowl, blend the butter, sugar, eggs, and milk until well combined.
Add wet to dry, and mix until JUST combined. Don't over mix!!
Fill each muffin cup about 2/3 full.
Drop 1.5 tsp of jam on top of the batter.
Cover the jam with the remaining batter, ensuring no jam is visible.