Categories: Chocolate 
      Yield: 12 servings 
  
    2/3 c  Peanut butter, chunky or smo 
      2 tb Butter; melted 
    3/4 c  Sugar 
      2    Eggs 
  1 1/2 ts Vanilla extract 
  1 1/2 c  Flour 
  1 1/2 ts Baking powder 
    1/2 ts Baking soda 
    1/2 c  Milk 
      6 oz Semisweet chocolate chips 
  
  Preparation Time: 0:40 1. Preheat oven to 350F. In a large mixing 
  bowl, combine peanut butter and melted butter; stir until well 
  blended. Mix in sugar, eggs, and vanilla. Combine flour with baking 
  powder and baking soda. Add to peanut butter mixture along with milk 
  and chocolate chips. Stir just until combined. 2. Spoon batter into 
  12 paper-lined 2 1/2- to 3-inch muffin tins. Bake 20 to 25 mins, or 
  until muffins spring back when lightly touched in center. Serve warm 
  or at room temperature.