Hi Lisa! Introducing ice cubes or h2o on your oven can really assist with crust growth (specially when baking sourdoughs!). Though It's not Completely required, it can help generate a lovely loaf. Here's a tad more info on the procedure: Baking bread with steam Content Baking! Evidence the dough for https://johnathanaffk91346.bloggerswise.com/34699101/a-review-of-sourdough