How to Feed Sourdough Starter in a 1:1:1 Ratio | Easy Step-by-Step Beginner Guide

Posted by Morgan Layden on

🌾 Introduction

Learning how to properly feed your sourdough starter is one of the most important parts of keeping it active, bubbly, and ready for baking. The 1:1:1 feeding ratio is a beginner-friendly, reliable method that ensures your starter gets just the right balance of food and hydration — every time.


🧮 Step 1: Measure Ingredients by Weight

(Keywords: weigh flour and water, digital kitchen scale, feeding sourdough starter)

For a 1:1:1 ratio, use equal parts (by weight) of:

  • Active sourdough starter

  • Flour

  • Water

💡 Example: 50g starter + 50g flour + 50g water

Use a digital kitchen scale for accuracy — sourdough thrives on precision!


🥣 Step 2: Mix Everything Together

In a clean jar or bowl:

  1. Add the starter.

  2. Pour in warm (not hot) water and stir to dissolve.

  3. Add the flour and mix until fully combined — no dry spots should remain.

The texture should resemble a thick, sticky batter.


⏳ Step 3: Let It Rise

Cover loosely with a lid or breathable cloth.
Let your starter rest at room temperature (70–75°F) for 4–12 hours.

You’ll know it’s ready when:

  • It doubles in size

  • Bubbles form throughout

  • It smells mildly tangy and yeasty


🧺 Step 4: Maintain a Healthy Routine

  • Feed daily if kept at room temperature.

  • Feed weekly if stored in the refrigerator.

  • Always discard half before feeding to keep your starter in balance and prevent overflow.


🌤 Pro Tips for Success

  • Mark your jar’s starting level with a rubber band to watch it rise.

  • Use filtered or dechlorinated water for best results.

  • Experiment with flours like whole wheat or rye for added flavor and activity.


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