I haven’t tried this yes, but I’m definitely going to…and soon! Here are the ingredients for a sourdough yorkshire pudding:-

  • 250ml whole milk
  • 3 eggs
  • 1/2 cup¬†sourdough starter
  • Good pinch of salt
  • 125g/ 1 cup Flour

You can see the full recipe here:- https://www.kingarthurflour.com/recipes/sourdough-popovers-recipe