The present invention pertains to a new type of food ingredient containing a combination of insoluble whey protein particles having a particle size in the range of 1-10 micron (referred to as type A particles) and acid-gellable whey protein aggregates (referred to as type B particles). The invention furthermore pertains to whey protein-based, yoghurt-like products containing the combination of type A and type B particles and to methods of producing the food ingredient and the whey protein-based, yoghurt-like products.