1. Preheat the oven to 350°F.
2. Melt the chocolate in a double boiler.
3. In a mixer, beat the butter and sugar until they turn white. Add the eggs one by one. Add the melted chocolate, not hot. Add the milk.
4. In a bowl, mix the flour and baking powder. Pour them into the chocolate mixture.
5. Fill the individual molds.
6. Bake for 20 minutes.
7. Remove from the oven and let cool on a rack.
8. Serve decorated with colored sprinkles.