Place 200 g fat, 200 g sugar and lemon zest in a bowl and beat until frothy with the whisks of the hand mixer. Stir in the eggs one after the other. Stir in flour and baking powder. Place the apricots on a sieve and drain. Grease the bottom of a springform pan (26 cm Ø). Fill in the dough and smooth it down.
Spread the apricots on top. Bake in the preheated oven (electric: 175 °C/ gas: level 2) for about 45 minutes. In the meantime, heat the remaining fat, sugar, cream and honey in a saucepan and dissolve. Carefully fold in flaked almonds. After 30 minutes of baking time, spread almond paste on the apricot cake and bake to finish. Tastes good with crème fraîche