Preheat oven to 400°F (200°C).
Place diced eggplant on a baking tray.
Drizzle with olive oil and sprinkle salt.
Roast for 25 minutes until golden.
Heat olive oil in a skillet.
Add garlic and cook for 1 minute.
Add crushed tomatoes and oregano.
Simmer for 15 minutes.
Boil pasta until al dente.
Drain pasta and save ½ cup water.
Add roasted eggplant to the sauce.
Mix pasta into the sauce gently.
Add pasta water if sauce is thick.
Garnish with cheese and basil.
Serve your pasta alla norma recipe hot.