Small Batch Mini Chocolate Sourdough Babka Loaf

Bahan-bahan (4 porsi)

• 120 grams all purpose flour
• 36 grams whole milk
• 36 grams lightly beaten egg (save the extra for egg wash)
• 16 grams young sourdough starter (see instructions)
• 10 grams sugar
• 2 grams salt
• 34 grams unsalted butter (room temp)
• 2 ounces semi sweet chocolate
• 1/4 cup unsalted butter
• 1/4 cup powdered sugar
• 2 tbsp + 2 tsp cocoa powder
• 1 tbsp sugar
• 1 tbsp boiling water