This Maple Oat Sourdough Bread is naturally sweetened with maple syrup, extra soft and chewy from rolled oats, and an easy, beginner-friendly step up from plain loaves.
I love experimenting with unique sourdough inclusions (like my dill pickle or s’mores loaves), but I always find myself coming back to the simpler, more rustic sourdough bread recipes.
Some of my favorites? Basic sourdough, multigrain, and now this maple oat sourdough bread.
This bread super versatile—perfect for sandwiches, avocado toast, or even breakfast casserole, croutons, or breadcrumbs. Honestly, I ate the whole loaf toasted with cottage cheese—so good!
But the best part is how soaking the oats makes the bread extra soft, moist, and chewy. The nuttiness of the oats paired with the subtle sweetness of maple syrup creates a perfectly balanced flavor.
And for anyone new to sourdough inclusions, this maple oat loaf is a great place to start. The dough is easy, low-hydration, and just as satisfying to make as it is to eat.
I hope you try it and love it as much as I do!
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Ingredients & Substitutions
Here are some notes on key ingredients. For a full list of ingredients, check out the recipe card below.
- Active Sourdough Starter- Make sure your starter is bubbly and active before mixing. You can also use fresh sourdough discard (1–2 days old), but the dough may take longer to rise.
- Rolled Oats- Soak in hot (not boiling) water and let them cool before adding to the dough to avoid harming the yeast.
- Maple Syrup- Adds natural sweetness and a subtle maple flavor. You can adjust the amount to taste, or substitute with honey if preferred.
- Maple Extract (optional) - Adds a stronger maple flavor without adding extra liquid or sugar. Use sparingly—start with 1 teaspoon and adjust to taste.
- Bread Flour- Provides structure, chew, and a good rise. All-purpose flour works too, but the loaf may be slightly softer and flatter.
- Water- Use lukewarm or room-temperature water to encourage fermentation. Adjust slightly for your preferred dough hydration or depending on your kitchen’s humidity.
- Kosher Salt- Enhances flavor. I use Diamond Crystal Kosher Salt (2.8 grams per teaspoon). If using Morton’s or table salt, use about half the amount or weigh for accuracy.
Tips for Success
- Use an active starter. Make sure it’s bubbly and well-fed for a strong rise.
- Weigh your ingredients. A kitchen scale ensures accurate hydration and consistent results.
- Be patient during bulk fermentation. Wait until the dough is puffy and roughly doubled—this gives a light, open crumb.
- Build tension when shaping. A taut surface helps the bread hold its shape and rise beautifully.
- Don't skip the cold proof. Refrigerating overnight enhances flavor and makes scoring easier.
- Cool completely before slicing. Let the loaf rest 2–4 hours so the crumb sets and doesn't become gummy.
How to Make Maple Oat Sourdough Bread
Follow along with these easy steps and photos to make maple oat sourdough bread.
Step 1: Feed starter. Feed your starter 6–12 hours before baking so it’s bubbly and active.
Step 2: Soak the oats. Combine rolled oats and hot water. Let soften and cool for 15–20 minutes.
Step 3: Mix dough. Whisk water, starter, maple syrup, and extract (if using). Stir in oats. Add flour and salt, then mix until a rough, shaggy dough forms. Rest 20 minutes.
Step 4: Stretch and fold. Wet your hands, stretch one side over the dough, rotate, repeat all four sides. Rest 15 minutes. Repeat 3 more times (4 total).
Step 5: Bulk fermentation. Cover and let dough rise until puffy and doubled (4–12 hours).
Step 6: Shape. Turn dough onto a floured surface, stretch into a rectangle, fold long sides in, then short sides. Flip seam-side down and tighten into a ball.
Step 7: Cold proof. Dust basket with rice flour and optional oats. Place dough seam-side up. Cover and refrigerate 12–16 hours.
Step 8: Bake. Heat a lidded Dutch oven at 450°F for 30–60 minutes. Turn dough out seam-side down, score, add 2 ice cubes to the Dutch oven, and bake 40 minutes covered plus 5–10 minutes uncovered. Transfer to a rack and cool 2–4 hours before slicing.
Baker's Timeline
Use this sample timeline to help plan out your maple oat sourdough bread:
- 8:00 PM (Night Before): Feed your starter.
- 8:00–9:00 AM: Soak oats, mix the dough, & rest 20 minutes.
- 9:00–10:00 AM: Do stretch and folds.
- 10:00 AM–6:00 PM (varies): Bulk fermentation (until doubled in size).
- 6:00–6:30 PM: Shape the dough.
- 6:30 PM–6:30 AM (Next Day): Cold proof in the fridge overnight.
- 6:30–7:15 AM: Bake at 450°F.
- 7:15–9:15 AM: Cool completely before slicing.
Note: Rise times can vary depending on the strength of your starter and the temperature of your kitchen and dough. Use visual cues—like when your dough has doubled in size—rather than the clock.
How to Store
Keep your maple oat sourdough, whole or sliced, in a bread box or airtight container at room temperature for up to 3 days.
For longer storage, slice and freeze in a freezer-safe bag for up to 3 months. To enjoy, thaw at room temperature or warm slices in the toaster or oven.
Serving Suggestions
This maple oat sourdough bread is great for a hearty breakfast sandwich, grilled cheese, turkey sandwiches, or a BLT. It’s also delicious with cottage cheese (my personal favorite) or avocado toast.
If your loaf starts to get a little stale, use it for French toast, French toast casserole, egg strata, croutons, stuffing, or homemade breadcrumbs.
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Let's Connect!
Be sure to leave a comment below if you have any questions. You can also connect with me on Instagram, Facebook, Pinterest, or via email at [email protected].
📖 Recipe
Maple Oat Sourdough Bread
Equipment
- Straight-sided container (optional, for bulk fermentation)
- Proofing basket or bowl lined with tea towel
- Bread sling or parchment paper
- Lame or sharp knife
Ingredients
Soaked Oats
- 1 cup (80 grams) rolled oats
- ½ cup (120 grams) hot water
Dough
- 1 ¼ cups (300 grams) warm water 80-90℉
- ½ cup (100 grams) active sourdough starter
- ¼ cup (85 grams) maple syrup
- 1 teaspoon maple syrup extract optional, for stronger maple flavor
- 4 cups (480 grams) bread flour
- 4 teaspoons (11 grams) Diamond Crystal Kosher Salt use 2 teaspoons if using Morton's brand or table salt or weight in grams
- Rice flour for dusting proofing basket
- 2 ice cubes for steam
Instructions
- About 6–12 hours before mixing, feed your starter so it’s bubbly, active, and at its peak.
- In a small bowl, combine the rolled oats and hot (not boiling) water. Stir and let them sit 15–20 minutes to soften and cool.1 cup (80 grams) rolled oats, ½ cup (120 grams) hot water
- In a large bowl, whisk together the warm water, active starter, maple syrup, and maple extract (if using). Add the soaked oats and whisk again to break them up. Add the bread flour and salt, then mix with your hands until all flour is hydrated and a rough, shaggy dough forms. Cover and let rest 20 minutes.1 ¼ cups (300 grams) warm water, ½ cup (100 grams) active sourdough starter, ¼ cup (85 grams) maple syrup, 1 teaspoon maple syrup extract, 4 cups (480 grams) bread flour, 4 teaspoons (11 grams) Diamond Crystal Kosher Salt
- Lightly wet your hands. Grab one side of the dough, stretch it upward, and fold it over the center. Rotate the bowl 90° and repeat for all four sides. Cover and rest 15 minutes. Repeat 3 more times (4 sets total) with 15-minute rests in between.
- Cover the bowl and let the dough rise until puffy, bubbly, and roughly doubled in size—this can take 4–12 hours (or longer) depending on temperature and starter activity. Tip: A straight-sided container makes it easier to track the rise.
- Lightly flour your counter and turn the dough out. Gently stretch it into a loose rectangle. Fold the long sides toward the center like a letter, then fold the short sides the same way. Flip seam-side down and gently tighten into a round ball by cupping your hands and pulling the dough toward you.
- Dust a proofing basket with rice flour. If you want oats on the outside of the loaf, sprinkle extra rolled oats in the bottom of the basket. Place the dough in the basket seam-side up. Cover and refrigerate for 12–16 hours.Rice flour
- The next day, place a lidded Dutch oven inside your oven and preheat to 450°F. Once preheated, let it continue heating for another 30–60 minutes.
- Turn the dough out onto a sheet of parchment or a bread sling so it’s seam-side down. Score the top with a lame or sharp knife. Carefully place 2 ice cubes inside the Dutch oven for extra steam. Lower the dough into the pot, cover, and bake for 40 minutes. Remove the lid and bake for another 5–10 minutes until the crust reaches your desired color.2 ice cubes
- Transfer the bread to a wire rack and cool for at least 2–4 hours before slicing.
Notes
- Storage: Store in an airtight container or bread box at room temperature for up to 3 days or freeze sliced bread for up to 3 months.
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