Add flour to a cast iron skillet or Dutch oven. Turn the heat to medium/medium-low and stir constantly until it turns a golden brown color, should take about 25-35 minutes.
Stir in salt, garlic powder, paprika, cayenne pepper, and white pepper.
Remove from heat and transfer to waxed paper or parchment paper to cool.
Once completely cool, transfer to glass jars.
Notes
*Use white whole wheat, whole wheat pastry, or all-purpose flour. I do not recommend whole wheat.*To use:Add equal parts Instant Roux to cold water and stir well. Stir into the dish to add flavor and thicken.*Makes 1 cup.