Pepperoni Pizza Muffins: A bite-sized treat for any occasion

Ingredients:

• 150g all-purpose flour
  2 tsp baking powder
  1/2 tbsp salt
  100ml milk
  1 large egg
  50g melted butter
  100g shredded mozzarella cheese
  50g mini pepperoni slices
  100g marinara sauce
  Fresh basil, chopped for garnish