01 -
Preheat the oven to 175°C. Line a muffin tin with cupcake liners.
02 -
In a large bowl, cream together the butter and sugar until light and fluffy. Add mashed bananas, eggs, and vanilla. Beat until well combined.
03 -
In a separate bowl, whisk together flour, baking powder, baking soda, and salt.
04 -
Add the dry ingredients to the wet mixture in two batches, alternating with the milk. Mix until just combined.
05 -
Divide batter evenly among cupcake liners, filling each about ¾ full.
06 -
Bake for 18-20 minutes, or until a toothpick inserted comes out clean. Let cool completely before frosting.
07 -
Beat softened butter until creamy. Gradually add powdered sugar, beating on low to combine.
08 -
Add cinnamon, vanilla, and a pinch of salt. Beat in cream, 1 tablespoon at a time, until desired consistency is reached.
09 -
Pipe or spread the buttercream onto cooled cupcakes.