Chubby Hubby - Orange, sultana, oat and wholemeal scones

Ingredients

• 3 cups whole wheat pastry flour (you can substitute with all-purpose flour)
• 1/2 cup light brown/demerara sugar
• 2 tsp baking powder
• 1 tsp baking soda
• 1/4 tsp fine sea salt
• 230g/2 sticks cold butter, cut into small cubes
• 2 cups rolled oats
• zest of 1 large orange
• 2/3 cup golden sultanas, raisins or currents
• 1 cup buttermilk
• milk for glazing
• more sugar for sprinkling on top