1.   For the topping, melt the chocolate and butter in a bowl over simmering water or in the microwave.

2.   Place the bowl in a pan of simmering water, and stir until the gelatin has dissolved.

3.   Stand the bowl over a pan of simmering water and heat very gently until the chocolate begins to melt.

4.   Meanwhile, melt the white chocolate in a bowl suspended over simmering water.

5.   Stand the bowl over a saucepan of gently simmering water and stir until dissolved.

6.   And they have developed techniques that take steaming well beyond simply laying food in a basket over simmering water in a covered pot.

7.   Add butter and set over simmering water.

8.   Add the chocolate and corn syrup, and set over simmering water.

9.   Add butter, and place over a saucepan full of simmering water.

10.   Break eggs, one at a time, into a small custard cup, then slowly pour egg into simmering water.