Slow-cooked shredded pork in a rich chile ancho sauce is one of Sinaloa's finest exports. This high protein dish is perfect for freezer meal prep, burritos, and family dinners.
Soak dried ancho chiles in hot water for 15 minutes until fully softened; remove stems and seeds.
Cut pork shoulder into large 3-inch chunks and season lightly with salt and pepper.
In a Dutch oven over medium-high heat, add 2 tbsp lard or oil; sear pork chunks in batches until deeply browned on all sides, then remove.
Blend softened chiles, onion, garlic, vinegar, cumin, oregano, black pepper, and 1/2 cup soaking liquid to make a smooth sauce.
Return pork to the pot, pour sauce over, cover, and cook over low heat for 2.5–3 hours until pork shreds easily; stir occasionally and add water as needed to prevent sticking.
Shred pork directly in the pot, increase heat to medium, stir in remaining 1 tbsp lard or oil, and cook uncovered for 15 minutes to reduce sauce and achieve a rich texture.
Taste, adjust seasoning with extra salt if needed, and serve hot with tortillas or as a burrito filling.