Place cauliflower in the bottom of large pot. Add 2 inches of water. Cover the pot and bring to boil over medium-high heat. Reduce heat and simmer 10-12 minutes, until cauliflower is fork tender. Drain and transfer cauliflower to bowl of food processor.
Add cream, butter, onion powder, seasoned salt, pepper and nutmeg. Pulse until cauliflower is smooth. You may need to work in batches. Scrape into serving dish.
Garnish with parsley, pepper and additional butter (optional) and serve hot.
Chef Tips
Note - salt can be omitted from recipe, season to taste before serving.If using salted butter, adjust amount of added seasoning salt to taste.