01 -
Preheat oven to 175°C. Grease a 23 x 33 cm baking pan to prevent sticking.
02 -
In a large mixing bowl, combine cake mix, peach gelatine powder, eggs, and oil. Beat until smooth and fully incorporated.
03 -
Slice frozen peach segments into bite-sized pieces without thawing. Gently fold peaches into the batter using a sturdy spoon.
04 -
Transfer batter to prepared pan, spreading evenly. Bake for 40–45 minutes or until a toothpick inserted in the centre comes out with moist crumbs but no raw batter. Edges should be golden brown.
05 -
Remove cake from oven and allow it to cool completely on a wire rack before frosting.
06 -
In a medium saucepan, combine butter, brown sugar, and cream. Stir over medium-high heat until the mixture reaches a rolling boil across the surface. Boil for 1 minute, stirring frequently.
07 -
Remove pan from heat and stir in vanilla extract. Prepare an ice bath in a large bowl. Set the saucepan with frosting into the ice bath, being careful not to allow water into the frosting. Cool until mixture thickens to room temperature, scraping the sides occasionally.
08 -
Using a hand mixer, beat the cooled frosting 3–5 minutes until it increases in volume and becomes spreadable yet pourable.
09 -
Spread frosting evenly over completely cooled cake. Serve at room temperature. For best freshness, cover and store leftovers in the refrigerator after one to two days.