Pour the lemon juice over the apples and mix well. Drain the liquid once the apples are coated.;
,, Pour the olive oil, orange juice, zest and salt and pepper into the bottle or jar. Screw the lid on and shake until the ingredients are combined.
 Toss through gently to coat the ingredients.
, Prior to serving, lay the spinach leaves in the base of four salad bowls or plates and place the salad atop the leaves.

Fill a large bowl with the diced apples.
Add the celery, scallion/spring onion, sultanas and walnuts to the apple and toss gently.

,
Make the dressing.
Remove the lid and add the dressing to the salad.
Place the salad into the refrigerator for half an hour to chill.

,
Serve.
Finished.
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