Add a splash of olive oil to a pan. Once the oil is hot, add the onions, stir and cook for 2-3 minutes on a low/medium heat.
Add the broccoli florets to the pan and season with salt to taste, pepper to taste and stir. Squeeze a splash of lemon juice over the florets and stir for another 2 minutes or until done. Cook on a medium heat for 5 minutes. Serve as desired.
NB: Option to grate lemon zest over broccoli to intensify the lemon flavour.