Beef and Olive Meatballs with Spaghetti

Meatballs

• 10 g fresh parsley leaves
• 50 g onions, quartered
• 50 g black olives, pitted
• ½ tsp fine sea salt
• ¼ tsp ground black pepper
• 500 g beef mince

Pasta and Sauce

• 150 g onions, quartered
• 2 garlic cloves
• 15 g olive oil, plus 1 Tbsp for frying
• 1000 g water
• 2 tsp fine sea salt
• 350 g dried spaghetti
• 80 g crème fraîche
• 200 g cherry tomatoes, halved
• ¼ tsp ground black pepper