Scones - Gluten-Free Heaven

Ingredients

• 350 g gluten-free self-raising flour (plus extra for dusting)
• 2 tsp gluten-free baking powder
• 1 tbsp caster sugar
• ½ tsp xanthan gum (if your flour blend does not contain xanthan, increase to 1½ tsp)
• ½ tsp fine salt
• 100 g unsalted butter (chilled)
• 100 g raisins (for fruited scones (optional))
• 2 free-range eggs (plus 1 egg, beaten, for glazing)
• 120 ml semi-skimmed milk
• jam
• clotted cream