Cut the broccoli into small pieces and cook in boiling water, once ready, drain and let cool. Then, liquefy broccoli and set aside.

In a pan put a drizzle of olive oil and sliced onion. Next add the liquefied broccoli.

In a bowl, add 200 ml of milk and dissolve 2 tablespoons of corn flour. Stir well and add this mixture containing the onions and broccoli to the pan. Stir well and add the blue cheese. Stir continuously.