1. Preheat the oven to 350°F.

2. Break the chocolate into pieces and melt in a double boiler, stirring occasionally, until smooth.

3. Beat the butter and sugar until they become pale. Add the eggs one by one, beating after each addition.

4. Add the melted chocolate and mix. Pour in the milk and mix. Add the flour and baking powder, and mix slowly.

5. Grease and flour the individual molds. Fill them halfway with dough and place a spoonful of jam in the center.

6. Distribute the remaining dough into the molds and bake for 10 minutes.

7. Remove from the oven and serve immediately.