Homemade Japanese Beef Curry (Kare Raisu)

Name: Homemade Japanese Beef Curry (Kare Raisu)
Prep time: 30 min
Cook time: 4 h
Total time: 4 h 30 min
Cuisine: Japanese
Ingredients: 3½ tsp S&B curry powder; 2½ tsp cumin powder; 1 tbsp beef fat (or lard); 3 cloves garlic (finely minced); 15 g fresh ginger (finely minced); 200 g yellow onion(s) (thinly sliced); 50 ml water; 3 tbsp all-purpose flour; 900 ml beef stock (liquid); 2 tsp coriander powder; 3 tbsp marmalade; ½ tsp ground cloves; 1 tsp cardamom powder; 2 tsp ginger powder; 1 bay leaf; 1 tbsp unsalted butter; 250 g beef shoulder (bitesize pieces); 150 g carrot(s) (peeled and roughly cut); 200 g potato(s) (peeled and roughly cut); 600 ml black tea; 1 tbsp soy sauce; ½ tbsp honey; ½ tbsp apple jam (apple sauce or apple juice is also okay); ½ tbsp Worcestershire sauce; ½ tsp garam masala; 1 tsp coffee powder; ½ tsp nutmeg; 2 tbsp red wine; chili powder; 5 portions cooked Japanese short-grain rice