- First add water, oil and rava in a pan mix continuously and mix well cook until it becomes dry transfer it to a bowl and add potatoes, ginger garlic paste, salt, chilli flakes, black pepper, green chilli and coriander leaves mix it well apply oil on the palm take a small portion and roll it make a cylindrical shape and make sides smooth drop it in hot oil fry it on medium high heat until it turns golden brown crispy rava fingers ready serve with tomato ketchup.