Cook the lentils in water and drain off the water once cooked
Preheat oven to 400°
Place sliced eggplant and potato on parchment lined cookie sheets
Bake for 15 minutes, flip the slices and bake another 15 minutes
Sauté the onions and garlic in a little water for about 5 minutes
Add the lentils, tomatoes, tomato paste, oregano, smoked paprika, cinnamon, pepper, mint, onion powder and red wine to the pan with the onions and garlic and simmer for 10 - 15 minutes.
Put the water, cashews, white wine vinegar, nutritional yeast, raisins, nutmeg and mustard into a blender and blend until smooth.
Lightly oil a large casserole dish
Layer one layer of eggplant in the bottom of the dish
Pour the lentil mixture over the eggplant and smooth with a spoon
Layer the potatoes over the lentil mixture
Place the remaining eggplant slices on the top of the potatoes
Pour the sauce from the blender over the entire casserole
Lower the oven temperature to 350°
Bake for 35 minutes and then check to make sure it isn't getting too brown
Bake for another 10 minutes.