Sausage Eggplant Lasagna

Bahan-bahan (6 porsi)

• 3 large eggplants (sliced lengthways into 1-cm strips)
• 1 drizzle olive oil
• 1/2 teaspoon salt to season
• 1 tablespoon olive oil
• 1 medium onion (finely chopped)
• 19 oz beef sausages (sliced)
• 2 cloves garlic (crushed)
• 28 oz (2 cans) crushed tomatoes
• 1 pinch sugar (or a natural sweetener )
• 1 teaspoon vegetable stock powder
• 1/2 cup basil leaves (chopped)
• 2 cups shredded mozzarella cheese
• 1/2 cup grated Parmesan cheese
• 9 oz ricotta (or mascarpone cheese)
• 4 tablespoons basil pesto