Crockpot Chili with Chocolate

Ingredients

• 3 pounds ground beef (makes a big batch of chili)
• 4 tablespoons olive oil
• 2 large onions, diced
• 2 carrots, sliced
• 4 stalks celery, chopped
• 1 chopped green bell pepper
• 1 chopped red bell pepper
• 3 tablespoons chili powder
• 1 tablespoon ground cumin
• ½ teaspoon kosher salt
• 2 teaspoons freshly ground black pepper
• 1 teaspoon cinnamon
• 2 teaspoons ground coriander
• 2 teaspoons oregano
• 1 pinch crushed red pepper flakes
• ¼ cup white wine (red can be substituted)
• 7 cups cans diced tomatoes (undrained) – 2 large 28 oz. tins
• 2 (6 ounce) can tomato paste
• 1/3 cup bottled steak sauce
• ½ teaspoon chipotle chilies in adobo sauce, finely chopped
• 1 (15 ounce) can kidney beans, drained
• 2 tablespoons chopped fresh cilantro or parsley
• 2 ounces bittersweet chocolate, cut into large chunks