Preheat oven to 400°F (200°C). Line baking sheet with parchment.
In one bowl, whisk almond milk. In another, mix flour, garlic powder, oregano, salt, pepper.
Dip eggplant slices in flour mix, then almond milk, then breadcrumbs mixed with vegan parmesan.
Arrange coated slices on baking sheet. Drizzle lightly with olive oil.
Bake 20 minutes per side until golden and crispy.
Spread marinara sauce in a baking dish, layer baked eggplant, more marinara, and extra vegan parmesan.
Bake another 15 minutes until bubbly. Garnish with fresh basil before serving.