How to Make It
Prepare batter for corn muffin mix according to package directions. Stir corn into batter.
Melt butter in a large nonstick skillet over medium until foaming. Pour batter by ¼-cupfuls in skillet. Cook until browned on bottom, about 90 seconds. Sprinkle 1 heaping tablespoon of popcorn on each corn cake; carefully flip, and press popcorn into each cake. Cook until browned on bottom, about 90 seconds. Transfer to a plate and repeat process with remaining batter and popcorn; adding more butter to skillet as needed between batches. Drizzle maple syrup over corn cakes; top with remaining popcorn.