Steps
1. Preheat the oven to 400°F (200°C) and grease a ramekin.
2. Melt the chocolate chips and butter in a microwave-safe bowl.
3. In a separate bowl, whisk the egg and sugar until light and fluffy.
4. Fold in the melted chocolate mixture, flour, and salt until well combined.
5. Pour the batter into the ramekin and bake for 12-14 minutes.
6. Let it cool for a minute, then invert onto a plate. Serve warm and enjoy the molten center!