2 tbsp caster sugar
1 tsp salt
4 tbsp mixed seeds, such as pumpkin, sesame and sunflower seeds, plus extra for finishing
6 tbsp vegetable oil, plus extra for greasing
1 tsp cider vinegar
2 tsp fast-action yeast
450g/1lb gluten-free flour (a blend of potato flour, rice flour, tapioca flour and xanthan gum)
310ml/10fl oz full-fat milk
2 free-range eggs, plus 1 free-range egg beaten for egg wash