Step 1

Place onions, peppers, and whole flank steak in the slow cooker. Top with taco seasoning, garlic, lime, and diced tomatoes.

Step 2

Cover and cook on high for 4 hours or on low for 8 hours.

Step 3

Remove steak from the slow cooker.

Step 4

Optional: broil steak for 4-5 minutes until crisp for added texture.

Step 5

Slice steak across the grain into thin strips.

Step 6

Add the steak back into the slow cooker and combine with other ingredients.

Step 7

Plate with tortillas of your choice and garnish with cilantro and cotija (optional).

Step 8

Enjoy!