1 large head of white cauliflower, trimmed into small pieces
2 Tbsp sour cream or cream cheese
1/4 cup real butter
1/4 cup chicken or vegetable broth (use as needed)
Salt/white pepper to taste
Grated cheese (optional)
Boil cauliflower in salted water until very tender. Drain well. Place in large bowl add remaining ingredients and blend with blender or immersion blender to resemble mashed potatoes. Add broth a little at a time to thin out as much as you desire.
Don't serve with lumps. That's the dead giveaway that it's cauliflower.
Place in oven proof casserole dish. Before serving, place casserole of mashed cauliflower into broiler for 1-2 minutes until you see brown peaks.
Careful not to burn!