In most Kenyan homes, the staple in ugali, greens and when God smiles upon your wallets- some meat.

For majority of the homes, the cook will always mix sukuma wiki  and spinach.

However, according to Medical Officer Margaret Njoki of Medihub Healthcare, you should never do this.

The best way to cook greens is separately.

"You can steam them but it's always best to add a little oil because vegetables are oil soluble. It becomes easier for the body to digest and absorb the nutrients from the vegetables when they are lightly fried in oil," she told Pulselive.co.ke.

The reason why you should not cook them together is because, "Sukuma wiki binds the nutrients, specifically iron, from the spinach. They alter the elements in the spinach and the compounds formed can't be absorbed by the body. If you mix sukuma wiki and spinach you miss out on the iron from the spinach."

Next time you fry up your veggies, make sure to do it separately.