Peanut Butter Stuffed Hot Fudge Cupcakes - Cupcake Fanatic

Ingredients

• 1 box chocolate fudge cake mix
• 1 small box chocolate fudge pudding mix
• 4 eggs
• 1 cup milk
• 1 cup sour cream
• 1/2 cup vegetable oil
• 1/2 cup butter, softened
• 2/3 cups creamy peanut butter
• 3 cups powdered sugar (you may want 1 more cup depending on how sweet you want it)
• 2-3 T whipping cream (may need more to reach your desired consistency)
• 1 t vanilla
• 1 cup (2 sticks) butter
• 1/3 cup cocoa powder
• 3 cups sugar
• 1 (12oz) can evaporated milk