In a skillet over medium high heat melt 2 tablespoons butter

Add onions and let cook for 2-3 minutes until they start to soften

Sprinkle with brown sugar and cook and additional 5-6 minutes until lightly browned and caramelized (stirring occasionally)

Let cool slightly

Set up three bowls and add cream cheese and butter to each bowl

Use a handheld mixer on medium high speed to combine well

Add cheese and specialty ingredients for each cheeseball except for nuts

Using a spoon stir together until well combined

Form the ingredients from each bowl into three balls

Roll in crushed or chopped nuts

Wrap in plastic wrap and refrigerate until firm

Let sit at room temp for about 30-45 minutes before serving