Services › Simply The Best Image 1 of 2 Image 2 of 2 Simply The Best $10.00 Just flour, water, salt, and time. Our plain sourdough delivers a crackly crust, airy crumb, and classic tang you crave. Add To Cart Added! Just flour, water, salt, and time. Our plain sourdough delivers a crackly crust, airy crumb, and classic tang you crave.