Vegan Vegetable Chickpea Fritter Sandwich (Gluten-free)

• 4 large vine tomatoes cut into circles
• ¾ cup cooked chickpeas
• pinch pink Himalayan salt
• 1 ⅓ cups grated potato
• 2 medium carrots grated
• 1 clove garlic minced
• 1 1 inch piece ginger peeled and grated
• ½ large red onion finely chopped
• ½ tsp paprika
• ½ tsp garlic powder
• ½ tsp Turmeric
• 3 tbsp chickpea flour
• 1 flax egg 1 tbsp ground flax seeds + 2 tbsp water)
• black pepper to taste

To serve (optional):

• 4 gluten-free burger buns
• 2 small avocados
• pinch pink Himalayan salt
• large handful mixed greens
• alfalfa sprouts
• soy yoghurt