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1
Preheat oven to 350 degrees.
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2
Spray a muffin pan with cooking spray and set aside.
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3
In a large bowl, combine flour, soda and salt.
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4
In another bowl, cream together 1/2 cup butter and brown sugar.
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5
Stir in eggs and mashed bananas until well mixed.
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6
Stir banana mixture into flour mixture, stirring only until moistened and combined, try not to over-mix.
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7
Fill each muffin cup 2/3 way full with batter, and bake in oven for 30-45 minutes, or until a toothpick inserted into center comes out clean.
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8
You may have leftover batter, you can either make more cupcakes or pour it into a greased loaf pan for banana bread, and top with brown sugar mixed with butter, and bake until done.
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9
When cupcakes are done, let cool in pan for 10 minutes, then remove and cool completely before frosting.
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10
For the peanut butter frosting, cream together the stick of butter and peanut butter with an electric mixer.
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11
Add the vanilla and salt, continue beating.
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12
Add the powdered sugar and beat until mixed, then slowly add the heavy cream and blend until creamy. You may need to add more cream depending on your desired consistency.
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13
Frost cupcakes, then sprinkle chopped peanuts on top and enjoy!