Parboil your beans, when it's almost done, then rinse your rice and add, and add salt.

When it's done, preserve in a cooler

In a pot, add vegetable oil, put some onions and then add the grated pepper and tomatoes.

Slice some onions and add.

Then add some water together with your seasoning and fish. Then allow to cook for some minutes.

Your rice and beans is ready with sauce.