Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
 280      milliliters   milk and water
  40      grams         flour
  25      grams         margarine
  88      grams         cheese
   1                    cauliflower -- cooked and drained

Preparation:

1. Melt fat, stir in flour and cook for 1 min. 2. Remove from heat and gradually add milk, stirring constantly. 3. Bring to boil and cook for 1 min. 4. Add cheese (leave ~25 g for the top). Add salt and pepper. 5. Put cauliflower in a greased fireproof dish. Pour over sauce. Sprinkle with the remaining cheese. Sprinkle with paprika. Brown under grill or in oven. Difficulty : easy. Precision : measure ingredients.