Mustard powder — 1 burger recipe
Mustard powder is called for by exactly one recipe on Burgerman. In these builds it never shows up on its own, but pulling it out of a recipe is immediately noticeable. It is used in Spicy Chicken Burger with Beer Cheese Sauce. The highest-scoring recipe using it is Spicy Chicken Burger with Beer Cheese Sauce at 8.4 out of 10. It turns up most often alongside beer, paprika, chili powder.
