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Close-up of a golden-brown sourdough banana muffins in a white paper liner, topped with a banana slice. Soft lighting, real and homemade look.

Sourdough Banana Muffins

These sourdough banana muffins are our beloved weekend tradition, born out of a power outage and perfected over dozens of batches. The sourdough discard adds a subtle tang that balances the natural sweetness of ripe bananas.
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Course: Breakfast
Cuisine: American
Keyword: Best sourdough banana muffins, Sourdough banana bread, Sourdough Banana Muffins, Sourdough banana muffins healthy, Sourdough discard banana muffins, Vegan sourdough banana muffins
Prep Time: 15 minutes
Cook Time: 20 minutes
Batter Rest Time: 25 minutes
Total Time: 1 hour
Servings: 12 muffins
Calories: 180kcal
Cost: $5

Equipment

  • 1 12-cup muffin tin (Standard size)
  • 2 Mixing bowls (One large, one medium)
  • 1set Measuring Cups
  • 1set Measuring spoons
  • 1 Rubber spatula (For folding batter)
  • 1 Fork or masher (For bananas)
  • Optional Ice cream scoop (For evenly portioning batter)
  • Optional Cooling rack (Helps muffins cool evenly)

Ingredients

  • 1cup Sourdough discard - Unfed, can be older/funky
  • 2–3 Very ripe bananas - About 1 cup mashed
  • ½ cup Light brown sugar - Packed
  • 1 teaspoon Cinnamon - Optional pinch of cardamom adds warmth
  • 1 teaspoon Vanilla extract
  • 2 Eggs - Room temperature preferred
  • ½ cup Butter - Browned or melted cooled slightly
  • 1 ½ cups All-purpose flour - Can substitute as per notes
  • 1 teaspoon Baking soda
  • ¼ teaspoon Salt
  • Optional Chocolate chips - ½ cup
  • Optional Chopped walnuts - ½ cup
  • Optional Blueberries - 1 cup fresh or frozen
  • Optional Streusel topping - For special occasions

Instructions

  • Preheat oven and mash bananas
  • Mix wet and dry ingredients separately, then combine
  • Add optional mix-ins like chocolate or nuts
  • Let batter rest before baking
  • Fill muffin cups and add toppings
  • Bake muffins until golden and set
  • Cool briefly and transfer to rack

Notes

Nutrition information is automatically calculated, so should only be used as an approximation.

Nutrition

Serving: 1muffin | Calories: 180kcal (9%) | Carbohydrates: 26g (9%) | Protein: 3g (6%) | Fat: 7g (11%) | Saturated Fat: 4g (25%) | Polyunsaturated Fat: 0.5g | Monounsaturated Fat: 2g | Cholesterol: 40mg (13%) | Sodium: 140mg (6%) | Potassium: 150mg (4%) | Fiber: 1.5g (6%) | Sugar: 12g (13%) | Vitamin A: 200IU (4%) | Vitamin C: 2mg (2%) | Calcium: 20mg (2%) | Iron: 1mg (6%)
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