1. 1. Preheat the oven to 425°F (220°C) and grease ramekins with butter and dust with cocoa powder.

2. 2. Melt chocolate and butter in a microwave-safe bowl.

3. 3. Whisk eggs, egg yolks, sugar, and vanilla extract in a separate bowl until well combined.

4. 4. Gradually fold in the melted chocolate mixture into the egg mixture.

5. 5. Stir in flour until just combined.

6. 6. Divide the batter among the prepared ramekins.

7. 7. Bake for 12-14 minutes until the edges are set but the center is still soft.

8. 8. Let it cool for a minute before running a knife around the edges and inverting onto plates.

9. 9. Serve warm with a scoop of vanilla ice cream.

10. 10. Enjoy your delicious chocolate lava cake!