Sumptuous potato, bean and spinach salad

This is wonderfully satisfying and tasty at the same time.

A bag of tender spinach
Red potatoes just boiled, not over cooked
About 1/2 pound of beans steam cooked and slightly crunchy
One diced red onion
2 cloves garlic mashed or pureed
Fresh ground pepper
1tsp. salt (optional)
2tsp. lemon juice
1/2 cup crumbled Feta cheese

Make a dressing with olive oil, lemon juice, yogurt, vinegar, dijon mustard and herb of your choice.

Mix dressing with the medley of spinach,potatoes, beans and onions. Serve chilled. Just before serving add the cheese.