Broccoli Stuffed Onions

Grrrrrgh!
Course : Broccoli
From: HungryMonster.com
Serves: 6
 

Ingredients:

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
1 bunch chopped fresh parsley
1 Cup 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.