Gather the ingredients
Put the skillet in medium heat and let it warm up while slicing the onion. Add 1/2 tbsp butter and let it warm up before adding onion.
Set the oven for 350 degrees Fahrenheit
While the onions are cooking, crack eggs.
Add a pinch of salt and stir the onions.
When the onions are translucent, add red wine vinegar.
Add tsang stir fry sauce
Add sriracha, stir all to combine and salt/ pepper to taste.
Add eggs, set timer for 5 minutes, and let it sit on the stove on medium heat.
When there is about one minute left, add cheese. I also added a touch of salt on top of the cheese.
Add 4 or more slices to top.
Put into 350 degree for 5 minutes.
Protect your table with a trivet.