Step 1 of 11
Banana Cupcakes with Cream Cheese Frosting
Preheat the oven to 350°F.
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Step 2 of 11
Banana Cupcakes with Cream Cheese Frosting
Line a 12-cup and a 6-cup cupcake pan with paper liners and set aside.
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Step 3 of 11
Banana Cupcakes with Cream Cheese Frosting
Place the bananas, butter, brown sugar, granulated sugar, and vanilla in a large mixing bowl. Using a hand mixer or a stand mixer fitted with a whisk attachment, cream the ingredients together on medium speed until smooth, about 1 minute. Add the sour cream and eggs, and continue to beat until the mixture is light and fluffy, about 1 minute.
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Step 4 of 11
Banana Cupcakes with Cream Cheese Frosting
Sift the flour, cinnamon, baking powder, baking soda, and salt into the bowl. Beat the mixture on low until the ingredients begin to come together. Slowly pour in the buttermilk and continue mixing, scraping down the sides of the bowl with a rubber spatula as needed, until a smooth, medium-thick batter forms.
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Step 5 of 11
Banana Cupcakes with Cream Cheese Frosting
Divide the batter evenly among the cupcake liners, filling each about two-thirds full.
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Step 6 of 11
Banana Cupcakes with Cream Cheese Frosting
Bake the cupcakes on middle rack of oven until a toothpick inserted in the center comes out clean, 18-21 minutes.
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Step 7 of 11
Banana Cupcakes with Cream Cheese Frosting
Check to see that the cupcakes are done. Remove from oven or add time as needed.
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Step 8 of 11
Banana Cupcakes with Cream Cheese Frosting
Allow the cupcakes to cool completely to room temperature before frosting.
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Step 9 of 11
Banana Cupcakes with Cream Cheese Frosting
While the cupcakes cool, make the frosting. Place the cream cheese and butter in a large mixing bowl. Beat with a hand mixer on medium speed until smooth and creamy.
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Step 10 of 11
Banana Cupcakes with Cream Cheese Frosting
Add the powdered sugar in two additions, beating on low speed after each, until the sugar is fully incorporated into the cream cheese mixture. Add the vanilla extract and salt. Continue beating on medium-high speed until the frosting is light and fluffy, 2-3 minutes.
PRO TIP If the frosting is not stiff enough to pipe, add additional powdered sugar to reach the desired consistency.
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Step 11 of 11
Banana Cupcakes with Cream Cheese Frosting
Pipe or spread the frosting onto the cooled cupcakes. Refrigerate until ready to serve.