Serve each corn cake with a small dollop of sour cream and garnish with chives.
Preheat oven to 200°F.
Add corn, bell pepper, green onion, salt and pepper to the prepared pancake mix; stir until just combined.
Heat a 10-inch nonstick skillet over MEDIUM heat. Brush pan with a bit of the butter to coat. Working in batches, add heaping tablespoons of batter to the skillet and cook, flipping, until golden brown on each side.
Place corn cakes on a baking sheet and place in preheated oven to keep warm. Brush pan with additional butter between batches as needed.
Serving Suggestion: Serve each corn cake with a small dollop of sour cream. Garnish with chives, if desired.