Prepare the Chicken: Place chicken breasts in the slow cooker. Pour in ½ cup water, then sprinkle chicken with 2 tablespoons taco seasoning and 1 packet of ranch seasoning.
Slow Cook: Cover and cook on high for 3-4 hours or on low for 6-7 hours.
Shred the Chicken: About 20 minutes before serving, use a slotted spoon to transfer chicken to a bowl, shred with 2 forks, then return to slow cooker and stir.
Assemble Tacos: Fill flour tortillas with shredded chicken, then drizzle with ranch dressing.
Add Toppings: Top with cole slaw mix, red onions, cilantro, and any additional desired toppings such as shredded cheese, avocado, or tomatoes.
Serve: Enjoy immediately!
Tips
For a creamier chicken filling, stir ¼ cup ranch dressing into slow cooker after shredding chicken.
For a spicier chicken filling, add ½-1 teaspoon cayenne pepper to chicken along with taco and ranch seasonings.