In blender or food processor, combine all vinaigrette ingredients except oil. Blend until smooth.
With blender running, slowly add oil in a thin, steady stream until well blended.
Use as needed in recipe or refrigerate until needed and whisk before using.
Assemble Bowls
In large bowl, combine brown rice and quinoa. Add cooked chicken, corn, black beans, Romaine lettuce, kale, tomato, and scallions. Add chipotle vinaigrette. Toss to mix.
Divide into two serving bowls. Top each with 4 tortilla chips for crunch. Serve immediately.