Combine cranberries, walnuts, brown sugar and zest in a bowl. Spread over bottom of greased 10" pie plate. Combine eggs, orange juice, sour cream, extract and melted butter, mixing well. Add flour, white sugar and cinnamon, mix to incorporate evenly. Batter will be thick and slightly lumpy. Pour over berry mixture, spreading with spatula to cover top. Bake in a 325 degree oven for 50-55 minutes. Tastes best served warm. Cover and store in fridge.
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