Slow-Cooker Carne Guisada

INGREDIENTS

• 2 1/2 pounds beef chuck roast or bottom round, cut into 1-inch pieces
• coarse salt and ground pepper
• 2 tablespoons vegetable oil
• 1 medium white onion, diced medium
• 1 medium green bell pepper, seeded and diced medium
• 1 large jalapeno, seeded and diced small
• 5 garlic cloves, roughly chopped
• 1 1/2 teaspoons ground cumin
• 3/4 teaspoon chili powder
• 3/4 teaspoon dried oregano
• 6 tablespoons all-purpose flour
• 1 3/4 cups low-sodium chicken broth
• 1 can (14 ounces) diced tomatoes
• 2 bay leaves
• Flour tortillas, warmed, grated cheddar, and cilantro, for serving