Vietnamese spring rolls Prep time: 20 mins These summer rolls look fancy and… Vietnamese spring rolls Prep time: 20 mins These summer rolls look fancy and sophisticated, but they're so easy to make. Just stop, drop, and roll! Ingredients For the dipping sauce: 1 teaspoon tamari sauce (deli's, good supermarkets and Asian stores) 2 teaspoons toasted sesame oil 2 teaspoons lemon juice For the fillings: 3 large prawns, cooked and sliced lengthways (optional) 1 avocado, halved…