3 medium eggplants, each cut in half lengthwise (about 3 pounds)
Cooking spray
1 tablespoon olive oil
1/2 cup chopped 33%-less-sodium ham
1/2 cup chopped onion
1/4 cup chopped red bell pepper
3 garlic cloves, minced
1/2 cup beer
1/2 pound medium shrimp, peeled, deveined, and coarsely chopped
2 1/2 ounces day-old French bread or other firm white bread
6 tablespoons (1 1/2-ounces) grated fresh Parmesan cheese, divided
1/4 cup finely chopped green onions
1 tablespoon chopped fresh basil
1 1/2 teaspoons chopped fresh tarragon
1 teaspoon grated lemon rind
1/4 teaspoon salt
1/8 teaspoon freshly ground black pepper