Swedish meatballs with gravy

Meatballs

• 2 - 3 sprigs fresh dill leaves only
• 2 garlic cloves
• 2 slices bread (approx. 60 g), torn into pieces
• 60 g brown onion cut into quarters
• ¼ tsp ground allspice
• ¼ tsp ground nutmeg
• ⅛ tsp ground black pepper
• ½ tsp salt
• 1 egg
• 500 g lean beef mince

Gravy

• 50 g salted butter cut into pieces
• 30 g plain flour
• 400 g water
• 2 - 3 tsp Meat stock paste to taste (see Tips)
• 100 g pouring (whipping) cream
• 2 tsp Worcestershire sauce
• 1 tsp Dijon mustard
• 1 tbsp oil
• fresh dill leaves only, for garnishing