Set the BasePlace chicken breasts into the slow cooker. Pour in chicken broth and sprinkle taco seasoning evenly over the top.
Start CookingCover and cook on high for 1 hour.
Add the SalsaAfter the first hour, add half of the salsa to the crockpot. Stir gently, cover again, and cook on low for 2 hours, stirring occasionally.
Shred the ChickenUse two forks to shred the cooked chicken directly in the slow cooker.
Make It CreamyStir in the remaining salsa and the Salsa Con Queso until well combined.
Simmer to PerfectionContinue cooking on low for 30–45 minutes. If the mixture is too runny, increase to high heat in 10-minute increments, stirring occasionally until thickened to your liking.
Build Your NachosOn individual plates or a serving platter, lay out 10–15 tortilla chips. Spoon the hot cheesy chicken mixture over the chips.
Top It OffSprinkle with shredded Mexican blend cheese. For gooier nachos, microwave each plate for 30–35 seconds until the cheese is melted.