This easy sour cream sauce is perfect with pasta, steak, fish, potatoes, pierogi, and more! Start with some garlic and butter, then whisk a quick roux together and add some chicken broth or vegetable broth. Add plenty of sour cream and fresh chopped chives, and you're ready to go! Drizzle this sauce over pierogies, twice baked potatoes, mashed potatoes, and more - just like a creamy sour cream gravy! You can also toss this sauce with pasta for an easy dinner. With step by step photos.