Blueberry Mug Muffin Recipe by Tasty

Step 1

In a mug, whisk together flour, sugar, baking powder, and kosher salt.

Step 2

Add milk, butter, and vanilla. Mix until smooth.

Step 3

Stir in lemon zest and blueberries.

Step 4

Microwave for 1½-2 minutes, or until cake appears puffy and cooked through.

Step 5

Cool 2 minutes. Top with sparkling sugar (optional).

Step 6

Enjoy!