Bavarian meat loaf (Leberkäse)

Bavarian spice rub

• 2 tsp mustard seeds
• 2 tsp fennel seeds
• 1 ½ tbsp coriander seeds
• 2 tsp dried rosemary
• 2 tbsp dried oregano
• 100 g sea salt
• 30 g semi sundried tomatoes
• 2 tsp garlic flakes
• 1 pinch cayenne pepper, to taste
• 2 tsp paprika

Leberkäse

• extra virgin olive oil, to grease
• 200 g pork belly, fat only, no rind (3 cm)
• 80 g ice cubes
• 30 g brown onions
• 300 g pork mince
• 70 g cold mineral water, plus extra to spray