Toss the salad ingredients together in a large bowl.
Whisk all vinaigrette ingredients in a bowl until fully combined. Add 1 tbsp of water to thin out the dressing, if needed. Season to taste with salt and black pepper.
Toss the prepared vinaigrette with the salad. Season with salt and ground black pepper to taste, plate and enjoy!
To cook the yellow split peas in advance (for approx. 1 ½ cups prepared) : rinse approximately ½ cup of dry yellow peas with water and drain. Add to a small stock pot with 3 cups of water. Gently simmer until very tender, but not falling apart, approximately 30-40 minutes. Add more water as necessary. Drain off excess liquid and rinse under cool water if you plan to use immediately. Pat excess water off with a paper towel.
To cook the sorghum in advance (for approx. 1 cup prepared): add 1/3 cup sorghum to approx. 2 cups of water in a medium pot. Bring to a boil, reduce to a simmer and let cook for approximately 40-50 minutes or until the sorghum is tender, adding more water as necessary. Drain any remaining liquid and serve.