Open the fava beans cans. Pour the beans into a colander and rinse under cold water.
Add the beans into a pan with two cups of water. Place on the hob at low heat and allow to simmer.
Wash the lemon and squeeze the juice into a bowl.
Peel and chop the garlic, then pour into a mortar and mash well with the pestle. Add the mashed garlic to the lemon juice bowl, then add the cumin.
Remove the beans from heat when most of the water is absorbed. It should take around 20 mins. Use a potato masher or wooden spatula to mash the beans coarsely.
Add the lemon, garlic and cumin mixture. Taste for salt and add some if needed.
Serve in a bowl and top with extra virgin olive oil, chopped parsley and chopped tomatoes.