Put the onion in the cast iron skillet and cook them until they are translucent, about 2 minutes.
Add the broccoli to the skillet and cook it until it is heated through.
Meanwhile, in a large measuring cup or bowl, combine the liquid aminos, ½ cup water, 1 tablespoon arrowroot, the Swerve Brown Sugar, and the ground ginger.
Mix these ingredients together until they are well blended.
Return the beef to the skillet with the onions and broccoli.
Pour the mixed liquid over the beef and vegetables.
Cook for 3 to 5 minutes, stirring often, until the sauce has thickened.
Note: For those who do not have diet sensitivities or restrictions, you can use these substitutions in equal amounts: cornstarch instead of arrowroot, soy sauce instead of liquid aminos, brown sugar instead of Swerve Brown Sugar.
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