Preheat oven to 375 degrees.Pour 3 tablespoons of melted butter into a 10 to 12-inch cast iron pan.Place pan in oven to heat. Note: Be careful not to burn the butter and don't put it in the oven until you have all the ingredients measured and ready to mix together.
In a alrge bowl, whisk together eggs, milk, sour cream, remaining melted butter, and cayenne pepper.
Stir in ham, broccoli, and cheese.Stir in Jiffy mix just until mixed in.
Carefully remove pan from oven using an oven mitt. Pour batter into pan.Return to oven and bake for 30 to 40 minutes, or until set.
Notes
Store in the refrigerator for up to 4 days and reheat in a 300 degree oven until warm.Nutritional info is provided as an estimate only and will vary based on brands of products used.