Peel and slice onions into halfmoons
Add butter and oil to a hot skillet
Once butter has melted, add onions and cook on low heat until they are nicely caramelized (stirring often). Season with salt, pepper and chili flakes. This will take around 15-20 minutes. If needed, add an additional drizzle of oil to prevent onions from burning
Shred cheese and dice chives
Once onions are cooked, add balsamic vinegar and package of gnocchi. Cook for 2 minutes, stirring continuously. Add in broth and cover with lid for 5 minutes
Remove lid and stir. Continue to cook for another 5 minutes until the liquid has evaporated
Top with cheese and broil for 2 minutes in the oven
Top with chives and enjoy immediately