Melt-in-the-middle mug cake recipe | Good Food

Ingredients

• 2 tbsp sunflower oil
• 1 medium egg
• 2 tbsp plain flour
• 3 tbsp light brown sugar
• 1 tbsp cocoa powder
• dash of vanilla extract
• 1 tbsp boiling water
• 1 soft chocolate truffle of your choice (we used Lindt Lindor)
• ice cream or cream, to serve (optional)