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Valentine’s Day sourdough sandwich bread cut in half, showing airy pink purple crumb from naturally colored ube sourdough bread
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Valentine’s Day Sourdough Sandwich Bread

This Valentine’s Day sourdough sandwich bread is soft, fluffy, and naturally pink-purple thanks to ube (purple sweet potato) powder.
Prep Time2 hours
Cook Time30 minutes
Course: Bread
Cuisine: American
Servings: 12 Servings
Calories: 189kcal

Equipment

Ingredients

  • 330 grams filtered water warm (about 100°F)
  • 130 grams active bubbly sourdough starter bubbly sourdough starter
  • 9 grams salt
  • 65 grams honey sugar, or sugar substitute
  • 490 grams unbleached all-purpose flour
  • 10 grams ube powder purple sweet potato powder

Instructions

  • In a medium mixing bowl, add the warm water and active sourdough starter. Mix until well combined.
  • Add the salt and honey and mix well until fully dissolved.
  • Add the flour and ube powder. Mix until a shaggy dough forms and no dry flour remains.
  • Cover the bowl and allow the dough to rest for 30 minutes.
  • Perform the first set of stretch and folds. Cover and let rest for 45 minutes.
  • Perform a second set of stretch and folds. Cover and rest for another 45 minutes.
  • Repeat this process two more times for a total of four sets of stretch and folds.
  • After the final set, cover the dough and allow it to bulk ferment on the counter for 6–8 hours, or until bulk fermentation is finished and the dough has doubled at least in size.
  • Place the covered dough in the refrigerator.
  • Refrigerate for 12 hours or overnight.
  • Remove the dough from the refrigerator and place it into a buttered bread pan.
  • Allow the dough to rise until it reaches just the top of the bread pan.
  • Preheat the oven to 400°F.
  • Score the top of the loaf and bake for 30 minutes.
  • Remove the bread from the oven and immediately take it out of the pan. Butter the top while the loaf is still hot.
  • For best results, allow the bread to cool completely before slicing.

Notes

This bread gets its color entirely from ube (purple sweet potato) powder—no artificial food coloring.
The flavor remains the same as classic sourdough sandwich bread; only the color changes.
The final color may range from pink to purple depending on the brand of ube powder used.
Cooling fully before slicing gives the softest crumb and cleanest slices.
You can shape the loaf in the bread pan before cold proofing, if desired.
The nutritional information is based solely on the flour, starter, and honey. Opinions vary widely on how long fermenting the dough breaks it down, making it easier to digest.

Nutrition

Serving: 1Slice | Calories: 189kcal | Carbohydrates: 41g | Protein: 5g | Fiber: 1g