Preheat the oven to 160° C w/ fan.
Grate the zest of the oranges & the lemon.
Grate the fresh ginger.
Line the loaf tin w/ baking parchment (to be able to lift the cake after its baking session in the oven).
Mix the eggs, the sugar, the mascarpone & a pinch of salt w/ your handheld electric mixer until fluffy. Add the flour & the baking powder & mix until all is well incorporated.
Add the grated zest of the oranges & the lemon as well as the grated ginger.
Add the candied peel & incorporate w/ a spoon.
Pour the mess into the prepared loaf tin & put it in the preheated oven for about 50 min at 160° C w/ fan.
Make the famous test w/ a wooden pin ... Add another 5-10 min in the oven if necessary.
Let the cake cool down in the loaf tin for about 10 min; then lift the cake out of the loaf tin. As soon as the cake is at room temperature peel off the baking parchment.