Crumbled ricotta cheese
Pass the cheese through a shredder and separate the thin slices into shreds with fingers. Alternatively, you may buy packaged shredded cheese, if available.
Ricotta cheese cubes
Turn the block of cheese on its side and make a series of slices. Lay the cheese slices on top of each other and make a series of lengthwise slices, (½ inch slices for smaller cubes, 1 inch slices for larger cubes). Make a series of ½ inch or 1 inch crosswise cuts through the cheese and it will fall away into cubes.