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Easy Beginner Sourdough Starter: 7-Day Guide

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A straightforward, day-by-day plan to create a bubbly, active sourdough starter from scratch in exactly one week. No fluff, no intimidation, just simple ingredients and consistent steps for beginners.

Ingredients

Scale
  • 60 grams (about 1/2 cup) whole wheat or rye flour (for Day 1 only)
  • Unbleached all-purpose flour (for feeding Days 2-7)
  • Filtered or bottled water, room temperature

Instructions

  1. Day 1: Combine 60 grams whole wheat or rye flour with 60 grams room temperature filtered water in a clean jar. Stir until no dry flour remains. Scrape down sides, cover loosely with a towel or coffee filter, and place in a warm spot (70-75°F). Wait 24 hours.
  2. Day 2: Discard half the starter (about 60 grams). Add 60 grams unbleached all-purpose flour and 60 grams room temperature water. Stir, cover, and wait 24 hours.
  3. Day 3: Discard half the starter (about 60 grams). Feed with 60 grams all-purpose flour and 60 grams water. Stir, cover, and wait 24 hours.
  4. Day 4: Discard half the starter (60 grams). Feed with 60 grams all-purpose flour and 60 grams water. Stir, cover, and wait 24 hours.
  5. Day 5: Discard half the starter (60 grams). Feed with 60 grams all-purpose flour and 60 grams water. Stir, cover, and wait 24 hours.
  6. Day 6: Feed starter in the morning. By evening (8-12 hours), it should double in volume. Discard half (60 grams) and feed again with 60 grams flour and 60 grams water. Let sit overnight. Perform float test: drop a spoonful in water; if it floats, it’s ready.
  7. Day 7: Starter should double within 4-8 hours of feeding. Discard half (60 grams) and feed one final time with 60 grams flour and 60 grams water. Wait 4-6 hours. Starter is ready to use.

Notes

Consistency is key: feed at the same time daily. Use filtered water to avoid chlorine inhibiting fermentation. If starter develops hooch (grayish liquid), stir it back in before feeding. Ideal temperature is 70-75°F; colder kitchens slow activity. Discard is essential to prevent over-acidification. Save discard for pancakes or crackers. If mold appears (fuzzy green, black, or white), discard and start over.

Nutrition

Keywords: sourdough starter, beginner sourdough, homemade starter, 7-day starter, easy sourdough, sourdough for beginners, natural yeast starter

Find it online: https://lucastable.com/easy-beginner-sourdough-starter-7-day-guide/