Mix flour and baking powder. Cream eggs, oil, 100 g sour cream and 1 tablespoon honey with the whisk of the hand mixer, sift the flour mixture over it and stir it into the dough, season with salt and pepper.
Cut salmon into fine cubes and stir about 3/4 salmon into the dough.
Place paper cups in the hollows of a muffin tray (12 hollows), spread the dough in the cups. Bake in the preheated oven (electric cooker: 175 °C/ convection oven: 150 °C/ gas: see manufacturer) for 25-30 minutes, remove from oven and allow to cool.
Wash the dill, shake dry and chop finely. Mix mustard and remaining honey. Stir in the dill, except for a little for sprinkling. Season sour cream with salt and pepper. Carefully fold the dill-honey cream into the sour cream and spread on the cupcakes.
Sprinkle remaining salmon cubes and dill on the sour cream.