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My Chocolate Chip Mug Cake is warm, gooey, and loaded with chocolate chips. Made in the microwave with 8 ingredients in about 5 minutes.
In a large microwave-safe mug, combine the flour, brown sugar, baking powder, and salt.
Microwave for 60 seconds. If the cake looks underdone, continue cooking in 10-second increments until set (this timing is based on my 1100 watt microwave). Let cool for 5 minutes.