Sweet Potato Chocolate Chip Toffee Sourdough Boule

Name: Sweet Potato Chocolate Chip Toffee Sourdough Boule
Prep time: 45 min
Cook time: 45 min
Total time: 24 h
Yield: 1 boule
Cuisine: American
Ingredients: ## Proteins; 160 g active sourdough starter (100% hydration); ## Fiber / plants; 500 g bread flour; 200 g roasted sweet potato puree (smooth); ## Flavor / spices; 250 g water; 10 g salt; 120 g chocolate chips; 80 g Heath toffee bits

By Sharon NissleyPublished March 25, 2026Updated March 25, 2026

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About Naptime Village

Naptime Village is a family-run home and recipe site from Sharon and Austin Nissley. We share tested recipes, homemaking routines, and slow-living ideas to help busy families cook nourishing food and feel supported.

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A soft, naturally fermented sourdough boule made with roasted sweet potato, chocolate chips, and buttery Heath toffee bits.

Prep

45 mins active (+ overnight cold proof)

Cook

40-45 mins

Total

18-24 hrs

Calories

276 kcal

Protein

7.9 g

Carbohydrates

49.7 g

Serves

12 slices

Fat

5.9 g

Longevity

57/100

This sweet potato chocolate chip toffee sourdough boule is a cozy, slightly indulgent twist on a classic artisan loaf. Roasted sweet potato keeps the crumb soft and tender, while sourdough fermentation adds structure and a light tang that balances the sweetness. Chocolate chips melt into rich pockets throughout the loaf and Heath toffee bits add buttery caramel notes without making the bread feel overly dessert-like. The result is a rustic boule with a crisp golden crust, soft interior, and enough sweetness to feel special for breakfast, gifting, or slow weekend baking.

Quick Answer

Shape: Tight boule in a banneton
Cold proof: 12 to 14 hours overnight
Bake: 20 minutes covered at 450 F, then 20 to 25 minutes uncovered at 425 F
Internal temp: 205 to 208 F
Yield: 1 artisan loaf

Learn Why Sweet Potato Changes the Crumb

How Sweet Potatoes Impact Dough explains why roasted sweet potato helps this boule stay tender, moist, and more extensible during mixing and shaping.

Note

Contains affiliate links. As an Amazon Influencer, I may earn a small commission.

Why You'll Love This Recipe

This loaf is naturally sweet from roasted sweet potato, rich with chocolate throughout, dotted with buttery caramel pockets from Heath toffee bits, and balanced by a light sourdough tang. It bakes into a rustic artisan loaf with a soft, tender crumb and crisp golden crust.

How to Make Sweet Potato Sourdough (Two Methods)

Option 1: KitchenAid Mixer Method

Step 1 — Autolyse

Mix:

flour
water
sweet potato

Rest 30 minutes

Step 2 — Mix Dough

Add:

starter
salt

Mix on speed 2 for 5–6 minutes until smooth and elastic.

Step 3 — Bulk Ferment (Before Add-ins)

Let rest 2–3 hours Look for:

20–30% rise
slightly airy dough

Step 4 — Laminate Inclusions

Turn dough onto counter and stretch thin. Add:

chocolate chips
toffee bits

👉 Leave a small border around edges Fold into a parcel.

Step 5 — Continue Bulk Fermentation

Return dough to bowl. Let ferment until:

total rise 40–50%
dough looks puffy and cohesive

Option 2: Stretch & Fold Method

Step 1 — Autolyse

Mix:

flour
water
sweet potato

Rest 30–45 minutes

Step 2 — Add Starter + Salt

Mix well by hand.

Step 3 — Stretch & Folds

Perform 4 sets:

every 30 minutes
over 2 hours

Step 4 — Laminate Inclusions

After final fold: Stretch dough thin and add:

chocolate chips
toffee bits

Fold into a parcel.

Step 5 — Finish Bulk

Let dough rise to:

40–50% increase
soft and airy

Shaping

Pre-shape

Form into a loose round. Rest 15 minutes

Final Shape

Shape into a tight boule. Place seam-side up in banneton.

Cold Proof

Refrigerate 12–14 hours overnight

Bake

Preheat

450°F for 45 minutes (Dutch oven)

Bake

20 minutes covered at 450°F 20–25 minutes uncovered at 425°F Optional: lower to 415°F if browning too fast

Internal Temp

205–208°F

Cool

Let cool 1–2 hours before slicing

Bulk Fermentation Targets

Before laminating the inclusions, look for about a 20 to 30 percent rise and slightly airy dough. After laminating, continue fermenting until the total rise reaches about 40 to 50 percent and the dough looks puffy and cohesive. Do not wait for it to double.

Simple Timeline Example

Here’s a realistic schedule you can follow if you want to bake at 7:00 AM Saturday:

Thursday Night

8:30 PM: Feed starter before bed.

Friday Morning

8:00 AM: Feed again to build strength so you have active starter.

Friday Afternoon

12:45 PM: Mix flour, water, and sweet potato for autolyse.
1:15 PM: Add starter and salt.
1:30 PM to 3:30 PM: Bulk ferment before add-ins until the dough rises about 20–30%.
3:30 PM: Laminate chocolate and toffee into the dough.
3:30 PM to 5:30 PM: Continue bulk until the dough rises 40–50%.
This step helps the dough fully come back together after adding mix-ins.
5:30 PM: Pre-shape and rest 15 minutes.
5:45 PM: Final shape and place in banneton.
6:00 PM: Move to the fridge for cold proof overnight.

Saturday Morning

6:15 AM: Preheat oven.
7:00 AM: Bake.

Tips for Best Results

Roast sweet potatoes until very soft and slightly caramelized
Leave a clean border when adding mix-ins so the dough seals well
Do not skip the fermentation time after lamination
Do not overproof this loaf
Use bread flour for strength

Final Thoughts

This sweet potato sourdough boule is a truly unique recipe that combines:

natural sweetness
sourdough fermentation
rich chocolate and toffee

It’s a cozy, crowd-pleasing loaf that feels special without being complicated.

Ingredients

Servings

UnitsStandard

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Ingredient notes

Use smooth roasted sweet potato puree with no chunks so the dough hydrates evenly.
Water gives the most consistent structure, while milk kefir can make the dough softer and slightly richer.

Step-by-step

12 slices

1
Step 1
Roast and cool the sweet potato
- Ingredients:
  Sweet potato
- Action: Roast the sweet potato until very soft and slightly caramelized, then mash or puree until smooth and let it cool completely before mixing the dough.
2
Step 2
Autolyse
- Ingredients:
  500 g bread flour
  250 g water
  200 g roasted sweet potato puree
- Action: Mix the flour, water, and sweet potato until combined. Rest 30 minutes, or up to 45 minutes if using the stretch-and-fold method.
3
Step 3
Add starter and salt
- Ingredients:
  160 g active sourdough starter
  10 g salt
- Action: Add the starter and salt to the autolysed dough. For the mixer method, mix on speed 2 for 5 to 6 minutes until smooth and elastic. For the hand method, mix thoroughly by hand until the dough comes together.
4
Step 4
Build dough strength
- Ingredients:
  Dough
- Action: If using the mixer, let the dough begin bulk fermentation and watch for a 20 to 30 percent rise over about 2 to 3 hours. If using stretch-and-folds, perform 4 sets every 30 minutes over 2 hours, then continue until the dough looks slightly airy.
5
Step 5
Laminate the inclusions
- Ingredients:
  120 g chocolate chips
  80 g Heath toffee bits
- Action: Turn the dough onto the counter and stretch it thin. Scatter the chocolate chips and toffee bits over the dough, leaving a small clean border around the edges, then fold it into a parcel.
6
Step 6
Finish bulk fermentation
- Ingredients:
  Dough with inclusions
- Action: Return the dough to the bowl and continue fermenting until the total rise reaches about 40 to 50 percent and the dough looks puffy and cohesive.
7
Step 7
Pre-shape
- Ingredients:
  Fermented dough
- Action: Turn the dough out, shape it into a loose round, and let it rest for 15 minutes.
8
Step 8
Final shape and cold proof
- Ingredients:
  Pre-shaped dough
- Action: Shape into a tight boule and place seam-side up in a floured banneton. Refrigerate 12 to 14 hours overnight.
9
Step 9
Preheat the oven
- Ingredients:
  Dutch oven
- Action: Preheat the oven with the Dutch oven inside to 450 F for 45 minutes.
10
Step 10
Bake
- Ingredients:
  Cold-proofed boule
- Action: Transfer the loaf to parchment, score, and bake covered for 20 minutes at 450 F. Remove the lid and bake 20 to 25 minutes more at 425 F. Lower to 415 F if the loaf is browning too fast.
11
Step 11
Cool before slicing
- Ingredients:
  Baked loaf
- Action: Cool for 1 to 2 hours before slicing. Aim for an internal temperature of 205 to 208 F.

Step insights

The rest after lamination matters because the dough needs time to re-knit around the chocolate and toffee before shaping.

Equipment

dutch Oven
benneton
1 1/2 quarts glass bowl
kitchen scale
bread lame
Bench scraper
KitchenAid stand mixer
Parchment paper

Longevity lens

Roasted sweet potato and sourdough fermentation add some whole-food value, but chocolate chips and toffee bits make this loaf more of a treat-style bake than an everyday staple.

Longevity score

We score the main ingredients and average them.

57/100Caution

Needs a few upgrades for long-term balance.

Based on 5 core ingredients (main foods, not spices or garnish).

What's helping

Higher protein per serving supports fullness and muscle maintenance
Fiber helps support steadier blood sugar and digestion

What to watch

Ultra-processed foods tend to correlate with poorer cardiometabolic outcomes

Ingredient breakdown · Original recipe

Each ingredient score is 0-100 (higher is better): good nutrients up, sugar/salt and saturated fat down.

Score guide: 80-100 strong support, 60-79 mixed support, 0-59 needs upgrades.

160 g active sourdough starter (100% hydration)

63/100

Why this scored this way: Higher protein per serving supports fullness and muscle maintenance.

Helps

Higher protein per serving supports fullness and muscle maintenance

500 g bread flour

59/100

Why this scored this way: Fiber helps support steadier blood sugar and digestion.

Helps

Fiber helps support steadier blood sugar and digestion

200 g roasted sweet potato puree (smooth)

59/100

Why this scored this way: Fiber helps support steadier blood sugar and digestion.

Helps

Fiber helps support steadier blood sugar and digestion

120 g chocolate chips

42/100

Why this scored this way: Watch out: ultra-processed foods tend to correlate with poorer cardiometabolic outcomes.

Watch

Ultra-processed foods tend to correlate with poorer cardiometabolic outcomes

80 g Heath toffee bits

53/100

Why this scored this way: Spices, herbs, and acids to add antioxidants without heaviness.

Functional nutrition score

Computed from ingredients and nutrition to show how this recipe supports nutrient density, metabolic stability, gut diversity, inflammation balance, and satiety.

36/100

Why this scored 36

Protein Density
9/20
Supports satiety, muscle retention, and metabolic stability.
Fiber & Diversity
6/20
Supports gut diversity and long-term metabolic resilience.
Micronutrient Density
7/20
Aligned with vitamin and mineral density per calorie.
Fat Quality
6/15
Supports heart and inflammation balance through fat quality.
Glycemic Stability
8/15
Aligned with steadier energy and blood-sugar-friendly composition.
Ultra-Processed Penalty
0 (-10 to 0)
Subtracts points when ultra-processed signals are present.

Functional badges (0-10)

Gut Support

4/10

Moderately supports gut diversity; more fiber/variety can improve this.

Anti-Inflammatory Alignment

2/10

Partially aligned; omega-3 and polyphenol sources can strengthen this.

Blood Sugar Friendly

5/10

Some blood-sugar support present, but refined carbs/sugars may reduce stability.

Iron-Rich

4/10

Provides about 18% of daily iron per serving.

Kid-Friendly

9/10

Balanced flavor and nutrition profile for many family contexts.

High Satiety

3/10

Satiety support is moderate; more protein/fiber would improve this.

Low-FODMAP Compatible

8/10

Contains fewer common high-FODMAP signals.

This score is for educational purposes and not medical advice.

Recipe health

Nutrition balance

Higher means more nutrients and fewer excesses.

70/100

Adequacy 69 · Moderation 16

Based on nutrition data

Factors

Adequacy: Fiber 2.3g (8% DV)
Adequacy: Protein 7.9g (16% DV)
Adequacy: plant density 2/3 core ingredients
Moderation: Total sugar 10g (20% max)
Moderation: Sodium 379mg (16% max)
Moderation: Saturated fat 2.9g (14% max)

Why this score · Original recipe

Based on the original recipe nutrition. Computed from nutrition data.

Adequacy is lifted by Fiber 2.3g (8% DV) and Protein 7.9g (16% DV). Moderation is pulled down by Total sugar 10g (20% max) and Sodium 379mg (16% max).

Why it works

Roasted sweet potato improves moisture and adds more nutrient density than a plain white sourdough loaf.

Sourdough fermentation builds flavor and structure without commercial yeast.

Chocolate and toffee make this best as a special bake or shared loaf rather than an everyday sandwich bread.

Nutrition snapshot

Nutrient	Per serving	Per batch
Calories	276 kcal	3307 kcal
Protein	7.9 g	95.1 g
Fat	5.9 g	70.3 g
Saturated Fat	2.9 g	35.4 g
Carbohydrates	49.7 g	596 g
Fiber	2.3 g	27.7 g
Sugars	10 g	120.2 g
Cholesterol	1 mg	15 mg
Sodium	379 mg	4543 mg
Vitamin A	73 mcg	870 mcg
Vitamin C	1 mg	11 mg
Vitamin E	0.4 mg	4.3 mg
Calcium	23 mg	277 mg
Iron	3.3 mg	39.2 mg
Magnesium	33.3 mg	399 mg
Potassium	147 mg	1763 mg

Nutrition notes

Estimated with a 100% hydration sourdough starter, plain roasted sweet potato puree, and 12 slices per loaf.
Chocolate chips and Heath toffee bits make this a treat-style loaf rather than an everyday bread.

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

Tips & tricks

Roast sweet potatoes until very soft and slightly caramelized for the best flavor and texture.
Leave the edges clean when adding chocolate and toffee so the dough seals properly.
Do not skip the post-lamination fermentation time or the loaf may separate into layers.
Avoid letting the dough double; 40 to 50 percent rise is a better target here.
Use bread flour for enough strength to support the inclusions.

What to serve with

recipe pairing: Coffee or Tea - cozy warm pairing for a sweet artisan loaf.
recipe pairing: Cold Milk - classic pairing with chocolate and toffee flavors.
recipe pairing: Fresh Berries - bright contrast to the rich loaf.

Storage & reheating

Store wrapped at room temperature for 1 to 2 days.
For longer storage, freeze slices or chunks and rewarm before serving.
Because of the chocolate and toffee, this loaf is best eaten the first day for the best crust and crumb contrast.

Troubleshooting

If the loaf separates into layers, it likely needed more fermentation time after lamination.
If the crust browns too fast, reduce the uncovered bake temperature to 415 F.
If the dough feels weak, check that the sweet potato was not too wet and that the starter was fully active.

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