Preheat the oven to 400 degrees and grease a small casserole dish.

Bring a medium pot of water to boil. Carefully add the bag of cauliflower.

Boil until the cauliflower has softened, about 10 minutes.

Drain. Then, use a potato masher to mash the cauliflower.

Add to a food processor, along with the sour cream and garlic powder. Pulse just until smooth.

Stir in half of the crumbled bacon, half of the cheese, and half of the chives into the mashed cauliflower.

Season with salt and pepper and spoon into the prepared casserole dish.

Bake for 20 minutes, or until the edge of the mashed cauliflower has turned golden brown.

Remove from the oven and top with the remaining cheese and bacon.

Lower the heat to 350 degrees and bake for an additional 15 minutes.

Remove from the oven and top with more fresh chives before serving.