This indulgent soup transforms humble pantry staples into a rich, velvety masterpiece. By leveraging leftover mashed potatoes as a thickener, the texture becomes exceptionally creamy without the need for endless simmering. The base is built on savory, rendered bacon fat, infusing every spoonful with a deep, wood-fired essence. Finished with crisp bacon bits, fresh chives, and a drizzle of cool cream, it is a hearty, effortless bowl of comfort that turns cold-weather leftovers into a standout meal.