To CookCombine ingredients for nuoc cham dressing in a medium-sized bowl and stir until sugar has dissolved. Set aside. Heat 2 tbsp oil in a large pan over medium-high heat. Add garlic, onion, carrots, cabbage, bean sprouts and soy sauce. Cook for 5 mins or until softened. Add salt to taste. Set aside to cool.Arrange spring roll pastry on diagonal. Place 1 tbsp of filling towards the bottom and roll upwards, making sure to wrap tightly. Fold in the sides before sealing the end with water. Place on a plate seam side down.Heat oil in a pot or saucepan over medium heat. Deep-fry spring rolls in batches until golden brown, and then drain on paper towel. Mix salt and five spice powder on a plate. Coat both sides of tofu squares in mixture. Heat oil in a pan over medium-high heat, and then pan fry tofu until golden brown on both sides.To plate up dish, place a serving of vermicelli in a bowl. Top with lettuce, cucumber, carrots, pan-fried tofu and spring rolls, and then garnish with peanuts. Serve with vegan nuoc cham dressing.