01 -
Cook mashed bananas over medium heat for 20-25 minutes, stirring occasionally, until most of the liquid evaporates and bananas start sticking to the pan. Allow to cool; you should have approximately 1 cup of reduced bananas.
02 -
Whisk water and bread flour together in the same pot. Cook over medium heat, whisking constantly for 2-3 minutes until a paste forms. Transfer to a bowl and let cool until slightly warm.
03 -
In a stand mixer bowl, combine bread flour, granulated sugar, instant yeast, and fine sea salt. Add heavy cream, cooked mashed banana, whole milk, egg, and cooled tangzhong. Knead on low speed with dough hook for 2 minutes until a rough dough ball forms.
04 -
With mixer on low, add softened unsalted butter one tablespoon at a time, allowing full incorporation before adding more. Continue kneading for an additional 12 minutes until dough is smooth and elastic. Set aside.
05 -
Combine unsalted butter, brown sugar, remaining cooked mashed banana, cinnamon, nutmeg, vanilla paste, and cornstarch in a large bowl. Mix until smooth and uniform.
06 -
Line a 9x13-inch metal baking pan with parchment paper. Roll out dough on a lightly floured surface into a 21x15-inch rectangle. Spread the filling evenly over the dough. Cut into twelve 1 3/4-inch strips using a pizza cutter. Roll each strip away from you and place rolls into the prepared pan.
07 -
Cover pan with plastic wrap and set aside to rise for 1 to 2 hours or until rolls double in size. Meanwhile, preheat oven to 325°F (162°C).
08 -
Bake rolls for 30-40 minutes or until center roll reaches an internal temperature of 185°F. Remove from oven and let cool on a wire rack for 15 minutes.
09 -
In a stand mixer bowl, beat cold cream cheese and unsalted butter until smooth. Gradually add powdered sugar and continue beating on low speed until light and fluffy. Mix in heavy cream, vanilla bean paste, and ground cinnamon.
10 -
Spread cream cheese frosting over warm rolls. Optionally, dust with cinnamon or garnish with caramelized banana slices before serving.