Mushroom & Spinach Lasagna

• 7 tomato (raw)
• 4 garlic clove
• 2 pepper (red)
• 2 garlic (cloves)
• 1 1/2 onion
• 240 ml ricotta chs skim milk
• 120 ml vegetable broth
• 60 gr mushrooms
• 60 gr spinach (fresh)
• 38 gr parmesan (grated)