Curry rice from scratch

Ingredients

For roux:

• 50 g butter
• 2 tablepsoons plain flour
• chicken or beef stock
• Meat curry powder
• 1 onion (sliced)
• button mushrooms (sliced)
• beef or chicken (sliced or cubed - your preference)
• Boil beef before hand to tenderize it
• Carrot - big cubes
• potatoes - big cubes
• Fukushinsuke (pickles to go with Japanese curry)