• 3 tablespoons vegetable oil, divided
• 1 pound ground beef
• 1 small yellow onion, diced (about 1 1/4 cups)
• 3 minced garlic cloves (about 1 tablespoons)
• 1 jalapeno, seeded and diced (about 1 tablespoon)
• 1/2 roasted red bell pepper, peeled, seeded and diced
• 1 roasted poblano pepper peeled, seeded and chopped
• 1 1/2 tablespoons chili powder
• 1 1/2 tablespoons smoked paprika
• 1 1/2 tablespoons ground cumin
• 1 teaspoon ground coriander
• 1 1/4 cups tomato puree or tomato sauce
• 6 ounces tomato paste (about 2/3 cup)
• 1 cup beef stock or beef broth
• 1 ear fresh corn, kernels removed from cob (about 1 cup corn kernels)
• 1/2 disc Mexican chocolate, broken into chunks
• 1 (15 ounce) can pinto beans, with juices
• 1 (15 ounce) can kidney beans, with juices
• salt and pepper to taste

optional garnishes

• 1 bunch green onions, thinly sliced
• 1 cup shredded Cheddar cheese
• 1 jalapeño, thinly sliced into rings
• 1/2 cup sour cream