Sourdough Sandwich Loaf
If you love the flavor of sourdough but want the soft, sliceable texture of classic sandwich bread, this Sourdough Sandwich Loaf is the perfect recipe. It has a mild tang, tender crumb, and thin, soft crust—ideal for toast, grilled cheese, breakfast sandwiches, or everyday lunch bread.
Unlike rustic artisan sourdough with large open holes, this loaf is designed to be fluffy yet sturdy, making it perfect for slicing and stacking. It’s naturally leavened, easy to work with, and bakes beautifully in a standard loaf pan.
Why You’ll Love This Recipe
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Soft, fluffy crumb
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Mild sourdough flavor
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Perfect for sandwiches and toast
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No commercial yeast required
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Freezes beautifully
If you enjoy baking homemade bread that fits everyday meals, this is a must-try.
Ingredients
Makes 1 standard 9×5-inch loaf
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½ cup (120g) active sourdough starter (bubbly and fed)
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1 cup (240ml) warm milk (dairy or unsweetened plant milk)
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2 tablespoons (30g) softened butter or olive oil
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2 tablespoons (25g) sugar or honey
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3 cups (360g) bread flour (or all-purpose flour)
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1 teaspoon salt
Step-by-Step Instructions
1. Mix the Dough
In a large bowl, combine active sourdough starter, warm milk, butter, and sugar. Stir until mostly combined.
Add flour and salt. Mix until a shaggy dough forms.
2. Knead
Turn dough onto a lightly floured surface and knead for 8–10 minutes until smooth and elastic. The dough should feel soft and slightly tacky but not sticky.
You can also knead in a stand mixer with a dough hook for about 6–8 minutes.
3. First Rise (Bulk Fermentation)
Place dough in a lightly greased bowl. Cover and let rise at room temperature for 4–6 hours, or until nearly doubled in size.
Fermentation time depends on the strength of your starter and room temperature.
4. Shape the Loaf
Turn dough onto a lightly floured surface. Gently press into a rectangle, about the length of your loaf pan.
Roll tightly into a log and pinch the seam closed.
Place seam-side down into a greased 9×5-inch loaf pan.
5. Second Rise
Cover and let rise for 2–4 hours, until the dough rises about 1 inch above the rim of the pan.
Do not overproof—this can cause collapse during baking.
6. Bake
Preheat oven to 375°F (190°C).
Bake for 35–40 minutes, until golden brown and the internal temperature reaches about 190–200°F (88–93°C).
If the top browns too quickly, tent loosely with foil.
7. Cool Before Slicing
Remove from pan and cool completely on a wire rack before slicing. This ensures clean slices and proper texture.
Tips for a Perfect Sandwich Loaf
Use active starter
It should be bubbly and recently fed.
Add milk for softness
Milk creates a tender crumb compared to water-only dough.
Don’t rush fermentation
Slow fermentation develops better flavor.
For extra softness
Brush the top with melted butter after baking.
Optional Overnight Version
For deeper flavor:
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After shaping, cover and refrigerate overnight (8–12 hours).
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Let come to room temperature and finish rising before baking.
This method enhances flavor and makes morning baking easy.
Storage
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Room temperature: 3–4 days in airtight container
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Refrigerator: Up to 1 week
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Freezer: Slice and freeze up to 2 months
Toast slices directly from frozen.
Variations
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Add 1 tablespoon olive oil for softer crumb
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Substitute 1 cup whole wheat flour for heartier flavor
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Add seeds (sunflower, flax, sesame)
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Add herbs for savory sandwiches
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Replace sugar with honey or maple syrup
Troubleshooting
Why is my loaf dense?
Starter may not have been active enough, or the dough didn’t rise fully.
Why did it collapse?
Likely overproofed before baking.
Why is my crust too hard?
Brush with butter after baking and store properly.
Nutritional Highlights
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Naturally fermented
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Easier to digest than commercial yeast bread
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Contains beneficial bacteria from sourdough fermentation
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No additives or preservatives
Final Thoughts
This Sourdough Sandwich Loaf brings together the tangy flavor of traditional sourdough and the soft, dependable texture of classic sandwich bread. It’s perfect for everyday use—whether you’re making toast in the morning, grilled cheese for lunch, or hearty sandwiches for dinner.