Awesome spinach & ricotta cannelloni

INGREDIENTS

• 2 knobs butter
• olive oil
• 2 cloves garlic, peeled and finely sliced
• 1 large handful fresh marjoram or oregano, roughly chopped
• ¼ nutmeg, grated
• 8 large handfuls spinach, thoroughly washed
• 1 handful fresh basil, stalks chopped, leaves ripped
• 2 x 400 g good-quality tinned plum tomatoes, chopped
• sea salt
• freshly ground black pepper
• 1 pinch sugar
• 400 g crumbly ricotta cheese
• 2 handfuls Parmesan cheese, freshly grated
• 16 cannelloni tubes
• 200 g mozzarella, broken up
• 500 ml crème fraîche
• 3 anchovies, finely chopped