1/2 cup regular olive oil, not extra-virgin, plus more for oiling pan
3 tablespoons pine nuts
2 medium carrots, grated (about 2 cups)
1/2 cup golden sultanas
1/4 cup rum
3/4 cup superfine sugar
1 teaspoon vanilla extract
3 eggs
2 1/2 cups almond meal/flour
1/2 teaspoon ground nutmeg
1/2 lemon, zest finely grated and juiced
1/2 lemon, zest finely grated and juiced
1 cup mascarpone
2 teaspoons confectioners' sugar
2 tablespoons rum