Rachel's Eggplant Parmesan

Name: Rachel's Eggplant Parmesan
Cuisine: European, Italian, Mediterranean
Ingredients: 2 medium eggplants (about 2 pounds total); 1 cup almond flour; 1 cup grated Parmesan cheese, divided; 1 Tbsp Italian seasoning; 1 tsp garlic powder; 2 large eggs, room temperature; sea salt and ground black pepper, to taste; avocado or olive oil cooking spray; 4 cups marinara or pizza sauce, divided; 1 cup shredded mozzarella cheese, divided; a handful of fresh basil leaves, minced