Southwest Cowboy Chili From 'Nom Nom Paleo'

Ingredients (18)

• 1 (4-pound) beef chuck roast, cut into 2-inch cubes
• 2 teaspoons kosher salt
• 4 slices bacon, cut into 1/4-inch pieces
• 1 medium yellow onion, cut into 1/2-inch dice
• 2 tablespoons tomato paste
• 1/4 cup ancho chile powder
• 2 tablespoons ground cumin
• 1 tablespoon dried oregano
• 2 teaspoons smoked paprika
• 6 cups Bone Broth or chicken stock, divided
• 1 ounce unsweetened chocolate, shaved
• 4 garlic cloves, minced
• Juice from 1 small lime
• Freshly ground black pepper
• 1/2 medium white onion, cut into 1/4-inch pieces (optional)
• 1/2 cup minced fresh cilantro (optional)
• 1/2 cup julienned radishes (optional)
• 2 small limes, quartered (optional)