For the pear tart, grate orange zest into a small saucepan, squeeze orange and add juice to zest. Peel pears, cut away core and divide into wedges.
Boil pears in orange juice and remove from heat. Then drain, use the juice for other purposes.
Separate eggs, beat snow with a pinch of salt until stiff. Beat egg yolks and honey for 3 minutes. Add cocoa powder and almonds to the yolks. Mix flour with baking powder, fold in beaten egg whites and yolk mixture.
Grease a 24 cm springform pan well, pour in the mixture and place in the oven with pear wedges on top. Bake at 180 degrees for about 35 minutes. Test with chopsticks.