6. Brush eggplant slices with 1 tablespoon olive oil. Broil until lightly browned. Drain on paper towels, then place over the macaroni and meat mixture.
PREPARE THE SAUCE:
1. Melt 2 tablespoons butter and blend in cornstarch. Gradually add hot milk and cook over low heat, stirring, until slightly thickened.
2. Pour in 3 beaten eggs, stirring constantly. Season lightly with salt and pepper.
3. Pour sauce evenly over pan ingredients. Sprinkle top with remaining butter, melted, and grated cheese.
4. Bake for 45 minutes, or until sauce is set and golden brown. Cool about 5 minutes before slicing.