Lemon Mug Cake

Ingredients (11)

• + ½ cup all-purpose flour add to pantry
• + 1 teaspoon baking powder add to pantry
• + ½ teaspoon baking soda add to pantry
• ✓ 1 pinch salt
• + ⅓ cup milk add to pantry
• + ⅓ cup light brown sugar add to pantry
• + ½ teaspoon olive oil add to pantry
• ✓ 1 small egg
• + ¼ cup lemon juice add to pantry
• + 1 tablespoon lemon zest add to pantry
• + butter for greasing add to pantry