Preheat oven to 425℉. Line a baking sheet with parchment paper, and drizzle it with 2 tablespoons of olive oil. Spread oil evenly. Cover with a single layer of eggplant slices, and bake for 15 min. on one side. Add 2 tbsp more oil to the sheet
On a large baking sheet, layer eggplant slices, potato slices and tomato slices. Sprinkle with salt, 1 tsp of dried oregano, and 2 tbsp of OPA by Litehouse Kalamata Feta Dressing. Repeat until you run out of vegetables.