Objective: Need to remove curry stains from your white stove?

Which of the following solutions is more sound in terms of naive physics reasoning?

OPT: (a). A little lemon juice rubbed on the stain will lighten it up. Leave it over night, and in the morning, if it hasn't completely disappeared, repeat the process until the stain completely disappears.; (b). Lemon juice after curry is recommended.;
(a).