Steamed Chocolate Cake with Ganache

Cake

• non-stick cooking spray
• 4 oz sugar
• 2 ½ oz vegetable oil
• 2 oz plain Greek yogurt
• 1 large egg
• ½ tsp vanilla extract
• 2 oz all-purpose flour
• 1 oz unsweetened cocoa powder
• ½ tsp espresso powder
• ¼ tsp baking soda
• ¼ tsp salt
• 35 oz water

Ganache

• 3 oz semi-sweet chocolate chips
• 4 oz heavy whipping cream
• 5 - 7 fresh strawberries, hulled, quartered (可选的)
  或 7 - 9 fresh raspberries (可选的)