Follow the steps in the recipe to make this strawberry mug cake—but place it in a ramekin instead and bake in a 350 degrees Fahrenheit (177 degrees Celsius) oven for 10-20 minutes (will depend on the size and shape (diameter, depth, etc.) of your ramekin. You’ll know it’s done when the top looks set, the edges look browned, and an inserted toothpick comes out clean.