LOADED CAULIFLOWER CASSEROLE

• 1 large head of Cauliflower cut into bite size pieces (6 cups)
• 6-8 strips of bacon cooked and crumbled
• 6 Tbs chopped Chives
• 1/2 cup Mayonnaise
• 1/2 cup Sour Cream
• 2 cups Cheddar Cheese, Shredded
• 8 oz container sliced mushrooms (optional)