01 -
Preheat the oven to 350°F. Grease and flour a loaf or bundt pan. In a large bowl, beat softened butter and granulated sugar until light and fluffy. Add eggs one at a time, mixing well after each addition. Blend in vanilla extract.
02 -
In a separate bowl, whisk together flour, baking powder, and salt. Gradually add the dry mixture to the wet ingredients, alternating with milk. Mix until just combined, ensuring a smooth batter.
03 -
Gently fold diced peaches and ground cinnamon into the batter, distributing evenly to maintain the cake's delicate texture.
04 -
In a small bowl, mix brown sugar, melted butter, and flour to create a crumbly mixture. Sprinkle this topping over the surface of the batter for a caramelized finish.
05 -
Pour the prepared batter with topping into the pan. Bake for 50 to 60 minutes, or until a toothpick inserted into the center emerges clean. Allow the cake to cool completely before proceeding.
06 -
In a clean bowl, beat softened butter with marshmallow fluff, powdered sugar, and vanilla extract until a smooth and fluffy filling is achieved.
07 -
Once cooled, use a piping bag to gently inject the cream filling into the cake from the bottom or sides, mimicking a Twinkie-style effect.
08 -
Slice and serve, enjoying the layers of peach, buttery pound cake, and light cream filling.