Sourdough Banana Chocolate Chip Bread in 1 Hour 25 (Tested)

Q: Cost Breakdown (Aldi prices, October 2024) IngredientUsedCost Bananas (overripe rack)245g$0.10 Sourdough discard120g$0.04 Butter70g$0.42 Sugar (white + brown)210g$0.28 Eggs2$0.34 Flour125g$0.08 Cocoa45g$0.31 Chocolate chips240g$0.65 Milk, vanilla, salt, soda—$0.12 Total—$2.34 The History of Sourdough Banana Chocolate Chip In other words, banana bread emerged in 1930s American cookbooks alongside the rise of commercial baking soda (I learned this the hard way). The sourdough discard variation is a 2010s development — driven by the home sourdough boom and a growing awareness of food waste. Discard recipes exploded during 2020 when home starter ownership surged, and bakers needed creative outlets for daily feedings. My favorite breakfast pairing — slightly warmed with strong coffee. What to Serve With Sourdough Banana Chocolate Chip In fact, pair warm slices with a flat white, cold brew, or chai. For breakfast, top with Greek yogurt and a drizzle of tahini for a 12g-protein plate. For dessert? Vanilla ice cream and flaky salt. The temperature contrast is the move. Recipes Similar to Sourdough Banana Chocolate Chip Banana Chocolate Chip Bread I Make Every Week (7 Foolproof Steps) — the no-discard version Healthy Banana Chocolate Chip Bread — lower sugar variant Gluten Free Banana Chocolate Chip Bread Banana Chocolate Chip Bars — 55-minute pan version Banana Chocolate Chip Scones Banana Chocolate Chip Baked Oatmeal Frequently Asked Questions Can I double this recipe?

Yes — this recipe doubles cleanly into two 9x5" pans baked side by side at 350°F (177°C). Add 5-8 minutes total bake time and rotate the pans at the foil-tent stage. I double-batch every Sunday for the week.

Q: Can I use sourdough starter instead of discard?

Honestly, active fed starter works but expect a slightly more open crumb and yeastier aroma. Reduce the milk to 45g to compensate for the extra liquid in fed starter. Discard remains my preferred option for consistent texture.

Q: How ripe should bananas be for sourdough banana chocolate chip bread?

As a result, bananas should be at least 60% black-spotted, ideally fully blackened. Underripe yellow bananas lack the fructose needed for caramelization and produce a bland, starchy loaf. Freeze overripe bananas if you can't bake immediately.

Q: Why did my loaf sink in the middle?

Also, sinking usually means the loaf was underbaked or the batter had too much banana (over 260g). Verify doneness with a thermometer — internal temp must reach 200°F (93°C) before pulling from the oven.

Q: Can I make this without cocoa powder?

To be specific, omit the cocoa and increase the flour to 170g for a classic discard banana chocolate chip loaf. The texture stays moist but the chocolate intensity drops noticeably. I prefer the cocoa version 9 times out of 10.

Q: Why is my loaf gummy in the middle?

Two culprits: too much banana (over 260g) or pulling from the oven before internal temp hits 200°F (93°C). Cocoa-based loaves look done on the outside long before they actually are.

Q: Can I reduce the sugar?

You can drop to 170g total sugar (85g white + 85g brown) without major texture loss. Below that, the crumb gets noticeably drier and the chocolate tastes more bitter than balanced.

Q: Can I make this gluten-free?

Swap the AP flour 1:1 with King Arthur Measure for Measure plus 3g xanthan gum. Bake time stays the same; the crumb is slightly more delicate.

Anna

Description

Sourdough banana chocolate chip bread is a quick bread that uses unfed sourdough starter (discard) as a flavor and tenderizing agent — not as the leavening. Baking soda still does the lift.

Ingredients

Scale

70g (5 Tbsp) butter, room temperature (67°F (19°C)/19°C)

100g (½ cup) granulated sugar + 110g (½ cup packed) brown sugar

2 eggs (100g total), room temp

5g (1 tsp) vanilla extract

245g extra-ripe bananas (about 3 medium, 60%+ black-spotted)

6g (1 tsp) baking soda

3g (½ tsp) Morton’s table salt (or 1 tsp Diamond Crystal kosher, by volume)

45g (½ cup) cocoa powder, Dutch-process preferred

125g (1 cup) all-purpose flour

120g (½ cup) sourdough discard, 100% hydration, 1–10 days old (for 75% or 80% hydration discard, reduce milk by 10g)

60g (¼ cup) whole milk

240g (1⅓ cup) chocolate chips, divided (1 cup in batter, ⅓ cup on top)

9x5″ metal loaf pan (USA Pan

Digital scale (volume measures fail with discard)

Stand mixer or hand mixer with paddle

Instant-read thermometer

Cooling rack

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Instructions

Preheat to 350°F (177°C). Position rack in the lower third — top-third positioning burned my first three loaves.
Cream butter and both sugars for 3-4 minutes on medium-high until pale and fluffy. The mixture should ribbon off the paddle.
Mash bananas with a fork until you get a chunky purée (not baby food). Aim for pea-sized pieces remaining.
Add wet ingredients: eggs one at a time, then discard, milk, bananas, vanilla. Mix on low until uniform — about 30 seconds.
Sift dry ingredients (flour, cocoa, baking soda, salt) over the wet. Fold by hand with a spatula until just combined. Overmixing = tough crumb. Stop when you still see a few flour streaks.
Fold in 1 cup chocolate chips. Reserve ⅓ cup for the top.
Transfer to a parchment-lined 9×5″ pan. Smooth the top, then scatter the reserved chips evenly.
Bake 50 minutes uncovered, then tent loosely with foil and bake another 20-25 minutes. Done when internal temp hits 200°F (93°C) and a toothpick inserted off-center comes out with moist crumbs (not wet batter).
Cool in pan 15 minutes, then transfer to a rack. Slice after the loaf hits 95°F (35°C) — earlier and it gums up.

Notes

Store leftovers in an airtight container for up to 4 days.
Can be frozen for up to 3 months.
Reheat gently on stovetop for best results.

Prep Time: 10 minutes
Cook Time: 1 hour 15 minutes
Category: Bread
Cuisine: International

Nutrition

Calories: 294
Fat: 12
Carbohydrates: 47
Protein: 3