Step 1

In a large, microwave-safe mug, melt the butter in the microwave. Add sugar and stir until well combined.

Step 2

Add the remaining ingredients and mix until creamy, or no lumps are visible.

Step 3

In one large mug (or two ramekins), microwave for 60-90 seconds, checking at 60 seconds. It is done when there are no more gooey spots. Remove from microwave and let rest for 60 seconds.

Step 4

Serve with ice cream and more chocolate syrup.