Line the recesses of a muffin tray (for 12 pieces) with paper baking cups. Peel, wash and finely grate the carrots.
Beat the eggs, sugar, 1 pinch of salt and cinnamon with the whisk of the mixer for 2-3 minutes until fluffy. Stir in oil. Mix flour, almonds and baking powder and stir in briefly. Stir in the carrots.
Spread the dough into the hollows. Bake in the preheated oven (electric cooker: 175 °C/circulating air: 150 °C/gas: see manufacturer) for 20-25 minutes. Let the muffins cool down.
Mix icing sugar and lemon juice to a thick icing. Spread the muffins with it. Sprinkle the icing with lemon peel and let it dry.