Here is what the manufacturer recommends.
You can try baking soda and vinegar along with warm water or CLR grease remover.
Thank you Joy I will give it a go
If the grease has actually soaked into the cesarstone and the above methods don't work, you could try this old method: sprinkle cornmeal over the area and leave it for 24 hours. If you wish, put a weight over the cornmeal.
Thank you very much I will give this a go won’t hurt
something has to work