Roux á la Microwave

Ingredients
- 1 cup flour
- 3/4 cup oil (Canola or Vegetable)
Step-by-Step Instructions
- Combine oil and flour in a microwave safe dish that has a handle. I use my Pyrex measuring glass cup. Put cup in microwave and set your timer for 4 minutes. Take cup out and stir the mixture thoroughly. Be careful mixture is very hot! (Since microwaves all heat at various temperatures, you might want to start with 2 or 3 minutes until you get to know how powerful your microwave can be; some actually do it for seven minutes.)
- Put back in the microwave for 2 one-minute sessions. Stir again thoroughly after each session. At this point, your mixture has already started to turn brown. Continue the sessions now for only 30 seconds at a time, stirring after each session, until the roux is the color of a dark copper penny (darker or lighter, if you prefer). In the last couple of heating sessions, I sometimes only go 20 seconds. You can add 1/2 cup of onions, bell pepper and celery mixture in the last cooking session. I find this step seasons the entire roux.
Common Problems and Solutions
Q: Why did my roux burn or smell bitter?
A: Microwaves vary in power. If yours runs hot, reduce each interval time. In the final stages, use 20-second bursts instead of 30, and watch the color carefully. If it smells burnt, start over - burnt roux ruins the dish.
Q: My roux has hot spots and uneven color. What went wrong?
A: You must stir thoroughly after every heating session to distribute the heat evenly. Use a handle and be very careful - the mixture is extremely hot and can cause serious burns.
Tips and Techniques
Use a microwave-safe container with a handle like a Pyrex measuring cup for easy stirring and pouring. Start conservatively with your timing until you learn your microwave’s power. The roux continues cooking slightly even after you remove it, so stop just before your desired color. For gumbo, aim for a dark copper penny color.
Ingredient Substitutions
- vegetable or canola oil: bacon grease or lard
Equipment Needed
- microwave-safe measuring cup with handle (Pyrex recommended)
- wooden spoon or heat-resistant spatula for stirring
- oven mitts or pot holders
Historical Context
The microwave roux method emerged as Louisiana cooks adapted traditional techniques to modern appliances. While purists debate its merits, it delivers authentic flavor in a fraction of the time - a practical innovation that honors the “first you make a roux” foundation of Cajun cooking.
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