Crunchy turtles

Name: Crunchy turtles
Prep time: 30 min
Cook time: 3 h 25 min
Total time: 3 h 25 min
Yield: 10 portions
Ingredients: 150 g white chocolate; 30 g unsalted butter; 60 g water; 130 g full cream milk; 300 g baker's flour; 100 g white sugar; 2 tsp dried instant yeast; 1 tsp matcha powder; 2 pinches salt; 1 tsp natural vanilla extract; 1 egg; oil; 2 currant; 1 tsp dried instant yeast; 40 g water; 2 tsp raw sugar; 1 tsp grapeseed oil; ¼ tsp sea salt; 30 g rice flour; 1 tbsp cocoa powder