1. Prepare caramelized onion sauce

    • Start onions off in cold oil in saucepan. Bring to medium low heat. Cook for 10 - 15 minutes or until onions are completely browned and softened.
    • Add prepared soup base and bring to 75°C for 1 minute.
    • Using immersion blender, puree mixture to desired consistency. Add salt and pepper to taste. Cool and hold until needed.