Mushroom Lasagne - Australian Mushroom Growers

Ingredients

• 1 cup grated parmesan cheese
• 500 g smooth ricotta
• 2 eggs
• 200 g baby spinach
• 2 cups boiling water
• 20 g butter
• 200 g button mushrooms, sliced
• ⅓ cup dried porcini mushrooms
• 1 l boiling water, additional
• 1 onion, diced
• 4 cloves garlic, crushed
• 500 g portobello mushrooms, finely diced
• 50 g tomato paste
• 300 ml tomato passata
• 4 sprigs oregano, leaves only
• salt and pepper
• 250 g lasagne sheets