Preheat oven to 375°F (190°C).
Slice eggplants into ½-inch rounds.
Sprinkle salt on eggplant slices and let sit for 20 minutes.
Pat eggplant slices dry with a paper towel.
Dip eggplant slices in olive oil, then coat with breadcrumbs.
Place eggplant slices on a baking sheet and bake for 25 minutes.
In a baking dish, layer marinara sauce, eggplant slices, vegan mozzarella, and vegan parmesan.
Repeat layers until all ingredients are used.
Bake for an additional 15 minutes until cheese is melted and bubbly.
Garnish with fresh basil before serving.