The invention concerns a kit of parts and a method for providing nutrition which provides within a time period of 5 to 10 days a nutritional composition comprising 0.35 to 6 mg iron per 100 g, a nutritional composition comprising 1 to 10 g fibre per 100 g and a nutritional composition comprising 10 to 5000 mg long chain poly unsaturated fatty acids per 100 g to an infant.