1. Cut spinach about 4cm long and place in a large mixing bowl. Add the onion, spring onion, salt and 1 cup of flour into the bowl.
2. Pour 1/2 cup of water and toss everything together by using a spoon or a tong. Add more flour and water if you prefer more chewy fritters.
3. Heat 1 tablespoon of oil in a frying pan over medium-low heat. Place a spoonful of the mixture in the hot pan and fry for 3 minutes. Flip to the other side and continue to fry for another 3 minute. If your pan seems too dry, drizzle more oil as needed.
4. Make dipping sauce by combining the soy sauce and lemon juice and toasted sesame seeds in a small mixing bowl.