- Add chopped potatoes and kosher salt to a large pot of water. Bring to a boil and cook until just fork-tender, about 12–15 minutes. Don’t overcook—no one likes mushy potato salad. 
- Drain and let the potatoes cool completely. Spread them on a sheet pan if you’re in a hurry—works like a charm. 
- In a large bowl, mix mayo, sour cream, mustard, garlic powder, onion powder, salt, and pepper. This creamy base brings the flavor, so don’t skimp. 
- Add cooled potatoes to the bowl. Gently fold in the green onions, parsley, shredded cheese, and crumbled bacon. 
- Chill in the fridge for at least 1 hour before serving. You can absolutely make this the night before—just try not to eat it all ahead of time.