Whisk the soft margarine with the sugar and vanilla sugar well. Stir in the eggs one at a time. Fold in the salt and rum as well. Mix the flour, baking powder and baking cocoa and stir in quickly. If necessary, stir the dough with milk until it is smooth so that it falls off the whisk with difficulty.
Fill a 24 cm springform pan with the batter and press the pear halves into the batter with the cut surface facing down.
Bake for 50 - 55 minutes at 180 ° C top / bottom heat.
Tip:
If you like it sweeter, you can fold in chopped chocolate and use up to 50 grams more sugar.