Low-Carb Twice Baked Cauliflower

1 large head cauliflower
4 oz cream cheese, cut into cubes
1/2 c sour cream
1/4 c minced green onions
1/4 c freshly grated parmesan cheese
6 slices (more!) bacon cooked crisp and crumbled
1 c shredded cheddar cheese

Preheat oven to 350 degrees, spray glass 1.5 quart casserole dish with non stick spray

Cut out stem and core from cauliflower, and cut into small pieces.  Cook in pot of boiling salted water until tender but not over soft (5-7 minutes). Drain well and mash, leaving some chunks.

While cauliflower is cooking, prepare rest of ingredients.  Mix into mashed cauliflower.

Spread evenly in casserole dish. 

Bake 25-30 minutes.  Serve hot.