The invention relates to an edible dispersion comprising 10-63 vol.% aggregated protein particles in an aqueous phase comprising 0.05 to 5 wt% gum arabic, said aggregated protein particles comprising 5 to 70 wt% of protein and having an average diameter in the range of 0.1 to 20 µm. The invention further relates to a food product comprising such dispersion, to the use of such dispersion for increasing the protein content of a food product, and to use of gum arabic for improving stability of a dispersion of protein particles in an aqueous phase.