Mix flour, baking powder, baking soda, and salt in a 6oz microwave-safe mug.
Add milk and olive oil. Stir to form a batter.
Spoon marinara sauce over batter and spread gently.
Top with shredded mozzarella, pepperoni, and herbs.
Microwave for 1 minute 10–20 seconds or until cheese bubbles.
P id=”instruction-step-6″>6. Serve hot and enjoy immediately.
