To a breadmaker tin, add 300 grams strong wholemeal bread flour, 100 grams strong white bread flour, 1 teaspoon sea salt, 1 teaspoon caster sugar, 20 grams salted butter, 1 teaspoon fast-action dried yeast, 2 tablespoons sesame seeds, 2 tablespoons poppy seeds, 2 tablespoons linseeds and 280 ml water. Put the tin into the breadmaker.