Preheat oven to 400 degrees. Spray a baking sheet with olive oil. Place potato slices in a single layer on baking sheet. Spray with olive oil and bake for 15-20 minutes or until lightly browned. Depending on thickness some may brown more quickly. Remove them as they get done and sprinkle with sea salt.
To assemble nachos...
Layer half of potato chips with half of each remaining ingredient and repeat. Bake for 10 minutes or until cheese has melted.