Herb And Fetta Stuffed Mushrooms, Tomatoes or Zucchini

• 2 cups raw cashew nuts
• 1 cup feta cheese
• ½ medium Spanish onion, finely chopped
• 1 bunch English spinach, blanched
• 4 x 60 gram eggs, whisked
• ½ cup of your favourite herbs, chopped (e.g. mint, basil, chervil, dill, parsley or coriander)
• 2 garlic cloves, finely chopped or crushed
• 2 teaspoon cumin
• 12 large mushrooms or 6 large Roma tomatoes or 3 large zucchinis
• 12 x ½ walnuts for garnish or almonds, macadamias, sesame seeds, or pine nuts