https://www.mysupersave.com/Recipes/Detail/4110/High_Flyin%60_Onions
A tailgating favorite!
Yield: Makes 4 to 6 servings
Heat butter and oil in large skillet over medium heat.  Add onions and cook until translucent, about 5 minutes.  Reduce heat.  
Stir in sugar and cook until onions are golden brown, about 20 to 25 minutes.  Stir in Jack Daniel's and cook about 3 minutes or until liquid has evaporated.  Season with salt and pepper.  Serve warm or at room temperature.  
Source: Jack Daniel's
Please note that some ingredients and brands may not be available in every store.
https://www.mysupersave.com/Recipes/Detail/4110/High_Flyin%60_Onions