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1
Preheat the oven to 350 F. Line one 12-cup standard muffin tin with paper cupcake liners.
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2
Gently spray the liners with baking spray and set aside.
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3
Sift the flour, baking powder and salt over a large piece of paper.
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4
In a large bowl, cream the butter and granulated sugar with a hand mixer on medium speed until light and fluffy.
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5
Beat in the eggs, egg yolk and vanilla.
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6
Reduce the speed to low and scrape down the sides of the bowl.
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7
Pour in the milk and continue to mix until smooth (the batter may look curdled at first but will smooth out).
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8
Pick up the paper with the dry ingredients and gradually pour into the wet ingredients.
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9
Continue to mix just until blended.
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10
Spoon the batter evenly into the prepared tin, filling the cups about three-quarters full.
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11
Bake until the tops of the cupcakes spring back to the touch and are not too golden, about 20 minutes.
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12
Cool in the tin for 15 minutes, and then allow to cool completely on a wire rack before filling, frosting or decorating.
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13
Fill a squeeze bottle with the grape jelly and screw on the cap.
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14
Carefully insert the tip of
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15
the squeeze bottle as far as it will go into the tops of the cupcakes.
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16
Gently squeeze about 1 tablespoon jelly inside of each cupcake.
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17
Ice the tops of the cupcakes with Peanut Butter Frosting to cover.
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18
Decorate with your favorite candy.
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19
Beat the peanut butter, butter and cream cheese with a hand or stand mixer on medium speed until light and fluffy.
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20
Slowly add the confectioners' sugar and continue to mix until the frosting is smooth.
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Mix in the milk and continue to mix until it reaches a good spreading consisting.