Spinach Dumplings in Tomato Ragout

Name: Spinach Dumplings in Tomato Ragout
Prep time: 40 min
Cook time: 1 h
Total time: 1 h
Yield: 4 portions
Ingredients: 200 g frozen spinach; 70 g onion; 5 stalks fresh parsley; 60 g unsalted butter; 130 g milk; 250 g white bread, slightly stale; 150 g mozzarella; 40 g plain flour; 3 medium eggs; ½ tsp fine sea salt; 1 pinch ground nutmeg; 100 g onion; 1 garlic clove; olive oil; 400 g tinned chopped tomatoes; 10 g tomato purée; 1 tsp caster sugar; ½ tsp dried thyme; ½ tsp fine sea salt; 100 g water; 250 g cherry tomatoes; 1 pinch ground black pepper; 3 fresh basil leaves