1. Preheat oven to 400°F. In bowl, stir together flour and baking powder; set aside.

2. Place milk, eggs, sugar, Jif and salt in a blender or food processor; blend to combine. Pour over dry ingredients; stir just to moisten.

3. Line a 12 muffin pan with paper muffin cups. Fill the lined cups 1/3 full. Place about 1 teaspoon of jam, jelly or preserves in each indentation. Fill muffin cups with batter until about 2/3 full.

4. Bake for 15 to 20 minutes. Remove from the oven and allow to cool in the pan about 5 minutes.