For Mashed Potatoes:

1. Prepare the potatoes: Place the peeled and chopped potatoes into a large pot. Cover with cold water, add a generous pinch of salt, and bring to a boil over medium-high heat.
2. Cook the potatoes: Reduce the heat to a simmer and cook for 15-20 minutes, or until the potatoes are fork-tender.
3. Drain and mash: Drain the potatoes thoroughly and return them to the pot. Mash them using a potato masher or ricer while they are still warm.
4. Incorporate ingredients: Add the butter, warm cream, sour cream, salt, and pepper. Stir until the mixture is smooth and creamy. Adjust seasoning to taste. For a fresh twist, mix in some finely chopped scallions to create mashed potatoes and gravy with scallions.

For Gravy:

1. Make a roux: In a medium saucepan, melt the meat drippings or butter over medium heat. Whisk in the flour and cook for 2-3 minutes until golden brown.
2. Add stock: Gradually pour in the stock while whisking continuously to prevent lumps.
3. Simmer and season: Bring the mixture to a simmer, allowing it to thicken (about 5-7 minutes). Stir in salt, pepper, and thyme, if using. Adjust seasoning to taste.

To Serve:

• Spoon the mashed potatoes onto a serving dish and create a small well in the center. Pour the warm gravy into the well. Garnish with fresh herbs like parsley or thyme if desired.
• For a hearty meal, serve chicken and gravy over mashed potatoes for an unbeatable combination of flavors.