Wash, clean and halve the rosehips, remove the seeds and dice the pulp. Wash lime hot, grate dry, grate peel thinly, halve fruit and squeeze juice
Whip the butter, sugar and salt with the whisk of the hand mixer until creamy. Mix flour and baking powder. Stir in the eggs one after the other. Alternately add flour mixture, lime juice and milk and mix. Carefully fold in lime zest and rosehip pulp
Line the hollows of a muffin tray with baking cups. Spread the dough in them. Bake in the preheated oven (electric cooker: 200 °C/ convection oven: 175 °C/ gas: see manufacturer) for 20-25 minutes. Dust the finished muffins with icing sugar