Add in the curry powder, garam masala, and cayenne pepper, and you’ve got yourself a bonafide gluten-free Japanese curry roux!
If you’ve never had it before, Japanese curry is typically made with curry roux blocks—prepackaged seasoning that you can get at most Asian supermarkets.
The problem with Japanese curry is that it’s definitely not gluten-free, meaning that if you love the unique sweet-spicy flavor, you have to make the curry roux from scratch. So I did.