Celebrity chef Jamie Oliver has taken to TikTok - where he boasts over 700,000 followers - to share his scrumptious vanilla mug cake recipe. He greeted his fans with a cheery: "Happy January ...

Place the butter and chocolate into a microwave-safe mug. Microwave on high (800W) in 20-second bursts, until the chocolate and butter have melted and stir together. Mix the milk into the melted ...