Multigrain Waffles

INGREDIENTS

• 1 1/2 tablespoons poppy seeds
• 2 cups / 475 ml buttermilk
• 1 cup / 3.5 oz / 100g barley flour
• 1/2 cup / 1.5 oz / 45 g oat flour
• 1/2 cup / 2 oz / 55g rye flour
• 1 tablespoon natural cane sugar or Muscovado sugar
• 1 tablespoon aluminum-free baking powder
• scant 1/2 teaspoon fine grain sea salt
• 3 large eggs, whisked
• 1/3 cup / 3 oz unsalted butter, melted and cooled a bit