Blueberry granola buns

100g wholemeal flour

85g spelt flour

1 tsp bread soda

190g granola

1 tsp ground cinnamon

zest of 3 oranges

90g muscovado brown sugar

120g dates, de-stoned and chopped

370ml buttermilk

120ml olive oil

1 egg, lightly beaten

2 tbsp frozen blueberries

1 tbsp porridge oats

1 tbsp pumpkin seeds