• 2 Lbs Top Round Roast
• 2 Teaspoons Chili Powder
• 1 Teaspoon Ground Mustard
• 1/2 Teaspoon Cayenne Pepper
• 1/2 Teaspoon Cumin
• 1/2 Teaspoon Smoked Paprika
• Salt and Pepper, To Taste
• 1 Green Bell Pepper, Chopped
• 1 Red Pepper, Chopped
• 1 Red Onion, Chopped 
• 2 Garlic Cloves, Minced
• 2 Chipotle Peppers in Adobo Sauce, Finely Chopped

Instructions:

1. Place Roast into Slow Cooker.
2. In a small bowl combine Chili Powder, Ground Mustard, Cayenne Pepper, Cumin, Smoked Paprika and Salt and Pepper. Whisk together. Sprinkle spice mixture over the roast. 
3. Add the Chopped Bell Peppers, Onion, Garlic Cloves and Chipotle Peppers over the roast.
4. Cook on High for 3 to 4 Hours, or Low 7 to 8 Hours (Beef should be tender enough to and pulls apart with tongs).
5. Serve with Soft Tortillas and serve Shredded Lettuce, Salsa, Guacamole and Sour Cream.