For the Eggplant:

• 2 medium eggplants, sliced into 1/2-inch thick rounds
• 2 tbsp olive oil
• Salt and pepper, to taste
• 1 tsp garlic powder
• 1 tsp dried oregano (optional)

For the Goat Cheese Filling:

• 4 oz goat cheese, softened
• 2 tbsp fresh basil, chopped (or parsley, if preferred)
• 1 tbsp lemon juice
• Salt and pepper, to taste

For the Tomato Tarragon Sauce:

• 2 cups ripe tomatoes, chopped (or 1 can of diced tomatoes, drained)
• 1 small onion, finely chopped
• 1 tbsp olive oil
• 1 tbsp fresh tarragon, chopped (or 1 tsp dried tarragon)
• 1 tbsp balsamic vinegar
• 1/2 tsp sugar (optional, to balance acidity)
• Salt and pepper, to taste

For Assembling the Sandwich:

• 4 hearty sandwich rolls, ciabatta or whole-grain bread works well
• Fresh spinach or arugula (optional, for extra greens)
• Extra olive oil for drizzling (optional)