Whisk first 4 ingredients in medium, bowl to blend. Add oil. Whisk until well blended. Season with salt and pepper. Can make 1 day ahead. Let Stand at room temp 1 hour , whisk before serving.
Preheat oven to 325 degrees.
Spray bakin gsheet with nonstick spray.
Combine walnuts with all other ingredients. Bake until golden brown . 15 minutes. Cool on sheet. Can be made ahead 3 days.
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