Instructions:
Preheat Oven: Preheat your oven to 180°C (350°F). Line a muffin tin with paper liners or grease the cups.
Prepare Chocolate: Break the chocolate into small pieces.
Mix Ingredients: In a large bowl, combine the butter, flour, sugar, salt, milk, vanilla sugar, baking powder, and eggs. Stir until well mixed.
Fill Muffin Cups: Divide the batter evenly among the muffin cups.
Add Chocolate: Gently press the chocolate pieces into the top of each muffin batter.
Bake: Bake in the preheated oven for 20-25 minutes, or until a toothpick inserted into the center comes out clean.
Cool and Serve: Allow the muffins to cool in the tin for a few minutes before transferring them to a wire rack to cool completely.
