Preheat oven to 400°; mix halved brusselswith 1 tbsp oil + salt/pep; place on a sheet pan + roast 17-25 min until golden + tender

Meanwhile, heat a skillet over medium + add 2-4 tbsp butter; cook butter while stirring until browned, 2-3 min; remove from heat + stir in 2 tbsp rinsed/drained capers

Pour contents of mashed cauliflower into a microwave-safe dish + cover with a damp paper towel; cook on high 1-2 min until hot + stir until smooth; add to bowls

Divide halved brusselsonto mash, drizzle each with browned butter + 2 tbsp parmesan