1. 1. Preheat the oven to 425°F (220°C) and grease ramekins with butter. Sprinkle coarse sugar inside the ramekins.

2. 2. In a small saucepan, heat 1% milk and butter over low heat until the butter is melted. Remove from heat and whisk in cocoa powder until smooth.

3. 3. In a separate bowl, whisk eggs and sugar until well combined. Gradually pour in the chocolate mixture while whisking continuously.

4. 4. Divide the batter evenly among the prepared ramekins. Place the ramekins on a baking sheet and bake for 12-15 minutes, or until the edges are set but the center is still soft.

5. 5. Carefully remove the ramekins from the oven and let them cool for a minute. Run a knife around the edges to loosen the cakes, then invert them onto plates.

6. 6. Serve warm with a scoop of vanilla ice cream or a dusting of powdered sugar.

7. 7. Enjoy your delicious chocolate lava cake!