Bavarian meat loaf (Leberkäse)

Name: Bavarian meat loaf (Leberkäse)
Prep time: 20 min
Cook time: 4 h 30 min
Total time: 4 h 30 min
Yield: 12 slices
Ingredients: 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 sun-dried tomatoes; 2 tsp garlic flakes; 1 pinch cayenne pepper; 2 tsp paprika; extra virgin olive oil; 200 g pork; 80 g ice cubes; 30 g brown onions; 300 g pork mince; 70 g cold mineral water