Peel and chop the onions.
Put them in a blender and blend.
Add the mince to it and break in the egg.
Knead. Shape 6 patties from the mince.
Cut the caul fat into 6 pieces and wrap each patty in one.
Heat a grill pan, pour in oil and grill the Pljeskavica patties on both sides.
Serve with a suitable salad.