Original recipe yields 1 servings
¼ cup all-purpose flour
¼ cup white sugar
2 tablespoons unsweetened cocoa powder
⅛ teaspoon baking soda
⅛ teaspoon salt
3 tablespoons milk
2 tablespoons canola oil
1 tablespoon water
¼ teaspoon vanilla extract
Mix flour, sugar, cocoa powder, baking soda, and salt in a large microwave-safe mug; stir in milk, canola oil, water, and vanilla extract.
Cook in microwave until cake is done in the middle, about 1 minute 45 seconds.