Jam Filled Muffins

Name: Jam Filled Muffins
Prep time: 15 min
Cook time: 20 min
Total time: 35 min
Yield: 12
Ingredients: 1 Egg; 1/3 cup Raspberry jam; 1 tbsp Baking powder; 1/3 cup Brown sugar; 2 cups Flour; 1/3 cup Granulated sugar; 1/2 tsp Salt; 1 tsp Vanilla; 1/2 cup Butter; 3/4 cup Milk