A 50g serving of rolled oats consists of 7g of protein. On top of that, a person can boost the protein content of breakfast oatmeal by introducing chopped nuts and seeds.
All 3 originate from soybeans, which might be https://biobodyboost.co.uk/products/shake-me-up-vanilla-flavour-vegan-protein-powder-blend?_pos=3&_psq=shake&_ss=e&_v=1.0