Baked middle eastern meatballs

Ingredients

• 5 slices white bread (250g), crusts removed
• 1 kilogram minced beef
• 1 brown onion (80g), chopped finely
• 2 cloves garlic, crushed
• 1/2 cup coarsely chopped fresh flat-leaf parsley
• 1 cup coarsely chopped fresh coriander
• 50 grams feta cheese, crumbled
• 1 egg
• 1 tablespoon ground cumin
• 2 teaspoons each ground coriander, ground cinnamon and ground ginger
• 1 teaspoon ras el hanout
• Tomato sauce
• 1 small (80g) brown onion, chopped coarsely
• 3 medium tomatoes (450g), chopped coarsely
• 1/2 teaspoon turmeric
• 1 teaspoon ground cumin
• 1 tablespoon lime juice
• 1 teaspoon caster (superfine) sugar
• 1/2 cup (125ml) water
• Spinach raita
• 10 grams butter
• 300 grams spinach, trimmed
• 3/4 cup greek-style yoghurt
• 1/4 teaspoon ground nutmeg