Ingredients:

  Amount  Measure       Ingredient -- Preparation Method
--------  ------------  --------------------------------
   3      Large         sweet Spanish onions
   1      Package       frozen chopped broccoli -- (10 ounces) thawed
  12      Cups          grated parmesan cheese
     1/3  Cup           mayonnaise
   2      Tablespoons   lemon juice
   2      Tablespoons   butter or margarine
   2      Tablespoons   flour
     1/4  Teaspoon      salt
     2/3  Cup           milk
   1      Package       cream cheese -- (3 ounces) cubed
                        chopped fresh parsley
                        additional parmesan cheese

Preparation:

Peel and halve onions horizontally. Par-boil in salted water for 10 to 12 minutes; drain. Leaving 3/4 inch edges, remove centers. Place onion shells in greased 1 1/2 quart shallow baking dish. Chop centers of onions to equal 1 cup. Combine chopped onion, broccoli, parmesan cheese, mayonnaise and lemon juice; spoon into onion shells. In a saucepan, melt butter; stir in flour and salt. Gradually add milk; cook until thick, stirring constantly. Remove from heat and blend in cream cheese. Spoon sauce over onions. Bake at 375~F. for 20 minutes. Sprinkle with parsley and additional parmesan cheese.