1.Soak Bread In Water In A Large Shallow Dish Until Softened Completely; Remove From Dish And Squeeze As Much Water From Bread As Possible. 2.Heat 1 Tablespoon Olive Oil In A Non-Stick Skillet Over Medium Heat; Cook And Stir Onion, Spinach, And Garlic In The Hot Oil Until The Onion Softens, About 5 Minutes. 3.Mix The Onion Mixture With Tuna, Mushrooms, Zucchini, Celery, Eggs, Dill, Salt, Pepper, Basil, And Oregano In A Large Bowl. Form The Mixture Into About 24 Thin, Palm-Size Patties. 4.Heat 1 Tablespoon Olive Oil In A Large Skillet Over Medium Heat; Cook The Patties In The Skillet Until Cooked Through, 2 To 3 Minutes Per Side.