I luv moussaka, & I luv burgers. I've made eggplant balls (like meatballs, except w/o the beef); and think this would be terrif w/ just the eggplant, as well.
http://www.youtube.com/watch?v=fd7Ky1lEPT8 For the lamb burgers:
2 tablespoon olive oil
1 onion, diced fine
2 cups diced eggplant (remove skin first)
3 cloves garlic, crushed
2 teaspoons tomato paste
1 teaspoon freshly ground black pepper
1/2 teaspoon cumin
1/4 teaspoon cinnamon
1/4 teaspoon dried oregano
1 teaspoon salt
1 pound ground lamb
For the sauce:
1 tablespoon olive oil
1 tablespoon flour
1 cup milk
1/2 cup grated Parmesan
pinch of nutmeg
pinch of cayenne
salt to taste
4 soft hamburger rolls, toasted
tomato slices
1 tablespoon rice vinegar
salt and fresh ground black pepper to taste
1 tablespoon thinly sliced or chopped mint leaves