Preheat oven to 350 degrees.
Stir together flour, sugar, baking powder and salt.
Add peanut butter, cutting it into the flour mix with a fork, or use your food processor, until mixed and crumbly.
Stir together the egg and milk.
Add to the flour and peanut butter mix, folding it together just until moistened.
Place a spoonful of batter into each of 12 greased muffin cups. Next, place a teaspoon of jelly in the middle of the half filled muffin
tins. Top the jelly with the remaining peanut butter batter.
Bake for 20-30 minutes or until done.