Rice And Spinach Soup

• 2 onions
• 2 garlic (cloves)
• 3,800 ml water to in a soup kettle (boil)
• 2,800 gr soup kettle
• 2,400 ml basic broth
• 90 ml olive oil
• 80 gr salt black pepper (freshly ground)
• 60 gr spinach (fresh)
• 40 gr parmesan cheese
• 28 gr butter