Grilled Eggplant Parmesan Sandwich Recipe

Ingredients

• 1 large eggplant cut into 12 1/4 inch thick slices
• 8 tablespoons (1 stick) unsalted butter, divided
• 2 teaspoons minced garlic
• 1 (28-ounce) can crushed tomatoes
• 1 ½ teaspoons salt, divided
• 1/8 teaspoon crushed red pepper flakes
• 1/8 teaspoon oregano
• 2/3 cup Ricotta cheese
• 1/3 cup Parmesan cheese, grated
• 12 slices Provolone cheese
• 12 large fresh basil leaves
• 12 slices Italian bread