Preheat oven to 350 - Grease an 8” cake pan.
Peel & thinly slice peaches, arrange them on bottom of the greased pan.
In a small saucepan over medium heat, add ¼ cup butter, brown sugar & the ginger slices. Bring to a boil.Boil for 1 minute stirring. Remove ginger slices & pour mixture over the peaches.
In a bowl, blend remaining ½ cup butter with granulated sugar till smooth & creamy. Add the yolks one at a time blending well after each addition. Add sour cream and vanilla, mixing well.
Combine the flour, ginger, baking powder & baking soda in a small bowl. Then add to the batter. Mix until just combined & smooth.
Pour batter over peaches & bake for 40-50 minutes or until the cake springs back when touched.
Cool slightly & invert on plate.
Serve warm with ice cream & enjoy!