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Easy Sourdough Starter Recipe

This sourdough starter beginner recipe is a foolproof, yeast-boosted method that delivers a bubbly, active starter in just 24–36 hours. Designed for first-time bakers, it uses a simple 1:1:1 feeding ratio for reliable fermentation, tangy flavor, and consistent baking results.
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Prep Time 5 minutes
Servings: 150 g starter
Course: Baking Basics
Cuisine: Global
Calories: 125
Ingredients Method Notes

Ingredients
  

  • 100 g filtered water room temperature
  • 100 g unbleached all-purpose flour
  • 1/2 teaspoon active dry yeast
  • 50 g filtered water for daily feeding
  • 50 g unbleached all-purpose flour for daily feeding

Method
 

  1. Day 1: Mix 100g flour, 100g water, and yeast in a non-metal bowl or jar until smooth.
  2. Cover loosely and ferment in a warm place for about 18 hours.
  3. Day 2: Discard all but 50g of starter.
  4. Add 50g warm water and mix until milky.
  5. Stir in 50g flour until fully combined.
  6. Cover loosely and let rise 6–8 hours until bubbly and doubled.
  7. Day 3 and onward: Repeat discard and feeding daily using a 1:1:1 ratio.
  8. Use starter when active, bubbly, and doubled in volume.

Notes

Keep starter in a warm area between 75–80°F for best activity. Stir in hooch if it appears, and feed consistently for a strong, tangy starter.