For the dip, cut the chillies lengthwise, remove seeds, wash and cut into rings. Mix 4 tablespoons fish sauce, 4 tablespoons water, 2 teaspoons sugar and chilli. Season to taste with lime juice. Peel shallot and garlic.
Carve the shrimps lengthwise on the back, remove the dark intestine. Wash shrimps and dab dry. Chop everything finely. Put glass noodles in hot water for 1-2 minutes until they are soft. Drain and chop finely.
Clean and wash the spring onion. Clean mushrooms, wash if necessary. Wash coriander and shake dry. Chop everything finely. Let the spring roll dough thaw. Heat 2 tablespoons of oil in a pan. Sauté shallot and garlic in it.
Add mince, fry until crumbly. Add prawns and fry... Fry the noodles, mushrooms, spring onion, coriander, 1 tbsp. fish sauce and chilli sauce briefly. Season to taste with salt and let it cool down a bit. Mix starch with 1 tbsp. water.
Lay out dough sheets on the work surface. Put approx. 1 teaspoon of filling on each sheet, roll up. Spread the ends with starch and press on. Heat approx. 1⁄2 litres of oil in a high pan or deep fryer to approx. 180 °C.
Fry the spring rolls for 2-3 minutes in portions until golden brown. Drain on kitchen paper. Serve with the dip.