Step 1: Gather Your Ingredients - Start by collecting all your ingredients on the kitchen counter.
Step 2: Mix Dry Ingredients - In your microwave-safe mug, combine the flour, sugar, and baking powder. Mix well to remove lumps.
Step 3: Add Wet Ingredients - Pour in the nondairy milk, oil, and vanilla extract. Mix until smooth.
Step 4: Add Optional Mix-Ins - Fold in vegan chocolate chips or sprinkles if desired.
Step 5: Microwave Your Cake - Cook in the microwave on high for 1 minute and 30 seconds. Watch closely.
Step 6: Cool and Serve - Let cool for a minute, then top with vegan whipped topping or ice cream if desired.
