European Kitchen - Grilled Eggplant Boats with Marinara Sauce

6 large eggplantsOlive oilSalt and pepper1 teaspoon Italian herbs1 teaspoon dried garlicSauce:Finely chopped onion2 cloves of garlic4 peeled and crushed tomatoes3 tablespoons tomato paste1 teaspoon sugarSalt and pepperGarlic powderDried Italian herbs1/4 cup water1/4 cup fresh basil or fresh thyme1 cup Parmesan cheese + mozzarella cheeseCherry tomatoes, halvedFrench bread, sliced and toasted for serving