Cheesy Baked Cauliflower

1 head cauliflower

1 tsp. prepared mustard

1/4 cup butter, cut into pieces

1/2 cup grated Parmesan cheese 1 tsp. mayonnaise

 

Steam whole head of cauliflower for 30 mintues.  Drain and place on a pie plate.   Preheat oven to 375 .  In mixing bowl, combiine mayonnaise and mustard,spread the mixture over cauliflower and dot with pats of butter. Sprinkle generously with Parmesan cheese.     Bake at 375  uncovered, for about 30 minutes or until the cheese. is brown.