Slow Cooker Spicy Shredded Beef Tacos

Slow Cooker Spicy Shredded Beef Tacos Ingredients: - 3 pounds beef chuck roast - 1 tablespoon olive oil - 1 teaspoon salt - ½ teaspoon black pepper - 1 teaspoon chili powder - 1 teaspoon cumin - ½ teaspoon smoked paprika - ½ teaspoon garlic powder - ½ teaspoon onion powder - ½ teaspoon oregano - ¼ teaspoon cayenne pepper (optional) - 1 cup beef broth - 1 can (14.5 oz) diced tomatoes with green chilies - 2 tablespoons lime juice - 1 small onion, chopped - 2 cloves garlic, minced - 8 small corn or flour tortillas