Cook sorghum according to package directions and set aside to cool.
Toast walnuts at 350 degrees for approximately 3 minutes, taking care not to burn them.
Add walnuts, peppers, scallions and goat cheese to sorghum and gently combine.
Mix ingredients for dressing in a small bowl and whisk until blended.
Pour dressing over salad and gently mix to combine.
If desired, serve with additional chopped peppers and scallions as a garnish.