Easy Mary Berry Blueberry Muffins Recipe - British Recipes Book

Ingredients

• 250 g (9 oz) self-raising flour
• 1 tsp baking powder
• 75 g (3 oz) caster sugar, plus extra for sprinkling
• 2 large eggs
• 100 g (4 oz) butter, melted and cooled slightly
• 175 ml (6 fl oz) milk
• 1 tsp vanilla extract
• Finely grated zest of 1 lemon
• 175 g (6 oz) blueberries, fresh or frozen