a skillet, a slow cooker and the broiler — Les Petites Gourmettes

Ingredients

• 4 to 5 pounds boneless pork shoulder, excess fat trimmed, cut into large chunks
• Salt and freshly ground black pepper
• 1 tablespoon olive oil, more as needed
• 8 ounces beer (I used a lager)
• 1 large onion, peeled and diced
• 4 garlic cloves, peeled and minced
• 3 chipotle chilies in adobo sauce, finely minced
• 2 teaspoons ground cumin
• 1 teaspoon ancho chili powder