Instructions Checklist. Step 1. In large non-metallic bowl, mix together dry yeast, 2 cups warm water, and 2 cups all purpose flour and cover loosely. Advertisement. Step 2. Leave in a warm place to ferment, 4 to 8 days. Depending on temperature and humidity of kitchen, times may vary. Directions. In a covered 4-qt. glass or ceramic container, mix flour and yeast. Gradually stir in warm water until smooth. Cover loosely with a kitchen towel; let stand in a warm place 2-4 days or until mixture is bubbly and sour smelling and a clear liquid has formed on top. Jun 09, 2020 · A sourdough starter is a collection of wild yeasts naturally found everywhere, from the air in your home to the flour you’re using. Whole … Apr 22, 2020 · Day 1: Staring in the morning or at night, using a wide-mouth 4-cup mason jar or Crock or Glass Measuring Cup , mix 1 cup whole grain flour (fluffed, spooned and leveled) -or 120 grams- with 1/2 cup (120 grams) filtered water using a fork (or chopstick) making sure you’ve incorporated all the dry flour. Add a scant 1 cup (113 grams) King Arthur Unbleached All-Purpose Flour, and 1/2 cup (113 grams) water to the 113 grams starter. Mix the starter, flour, and water, cover, and let the mixture rest at room temperature for approximately 12 hours before repeating. Day 4: Weigh out 113 grams starter, and discard any remaining starter. A homemade sourdough starter is a bread baker's pantry staple — though it does take some tending. Here our method for getting one going from scratch; though it'll … Apr 26, 2020 · What is a sourdough starter? The quick version: a sourdough starter is an active colony of wild yeast and good bacteria cultivated by combining flour and water and allowing it to ferment. By feeding it continually and keeping it in happy conditions (more on that below) you will have a reliable “natural yeast” culture that can be used to ...