I make banana bread all the time when I have an army of ripening bananas staring at me from the counter. This version keeps things reliable and approachable: gluten-free flour, mashed bananas, a little applesauce for moisture, and chopped walnuts for crunch. It bakes into two generous 8×5 loaves, which means you can keep one and give one away, or slice both and freeze for quick breakfasts.

There’s nothing fancy here — just a straightforward method that respects the ingredients. If you follow the steps and measure carefully, you’ll get consistent results. I’ll walk you through the essentials, the exact ingredients, substitutions, common mistakes, and how to rescue a loaf if it misbehaves.

This recipe was written to be practical: clear instructions, tips for swaps, and troubleshooting. Read through the ingredients and the bake steps before you start, and you’ll have two warm loaves in under an hour and a half from start to finish.

The Essentials

This recipe yields two 8×5-inch loaves and bakes at 350°F (177°C) for about 45–50 minutes. It uses gluten-free all-purpose flour (Bob’s Red Mill suggested) or brown rice flour, making it a good option for anyone avoiding wheat. The batter is lightly sweetened with brown sugar and relies on mashed ripe bananas and applesauce for moisture — plus chopped walnuts for texture.

Key points: use very ripe bananas for the best flavor and natural sweetness; don’t overmix once you add the flour; and check the loaves with a toothpick toward the end of the baking window. Let the loaves cool in the pans for 20 minutes before removing so they keep their shape.

Ingredients

7 ripe medium bananas, mashed — primary source of banana flavor and moisture; very ripe (spotted or brown) bananas are best.
1/2 cup unsweetened applesauce — adds moisture while keeping added fat modest; helps the crumb stay tender.
2-1/2 cups Bob’s Red Mill gluten free flour, all purpose or brown rice — the dry structure; Bob’s Red Mill mix is specified, but any reliable GF all-purpose blend with xanthan gum should work similarly.
1-1/2 tsp baking soda — leavening agent that helps the loaves rise and keeps them tender.
1/2 tsp salt — balances sweetness and enhances overall flavor.
4 tbsp butter, softened — fat for richness and flavor; softened for easier creaming with the sugar.
1 cup light brown sugar, unpacked — sweetens and gives a hint of caramel flavor; unpacked means loosely filled, not compressed.
4 large egg whites — provides structure while keeping the fat level lower than whole eggs.
1 tsp vanilla extract — flavor enhancer that rounds out the banana notes.
3 oz (3/4 cup) chopped walnuts — crunch and toasty flavor; add to the batter as directed.
baking spray (check label for GF) — used to grease the pans; verify the spray is labeled gluten-free.

Mastering Gluten-Free Banana Nut Bread: How-To

Preheat oven to 350°F (177°C). Place an oven rack in the center position. Spray two 8×5-inch loaf pans with baking spray (check the label to ensure it is gluten-free).
In a medium bowl, whisk together 2-1/2 cups gluten-free all-purpose (or brown rice) flour, 1-1/2 teaspoons baking soda, and 1/2 teaspoon salt. Set the dry mixture aside.
In a large bowl, use an electric mixer to cream 4 tablespoons softened butter and 1 cup light brown sugar (unpacked) on medium speed until light and fluffy, about 1–2 minutes.
Add 4 large egg whites, the mashed mixture of 7 ripe medium bananas, 1/2 cup unsweetened applesauce, and 1 teaspoon vanilla extract to the creamed butter and sugar. Beat on medium speed until the mixture is combined and slightly thickened. Scrape down the sides and bottom of the bowl with a spatula.
Add the reserved dry ingredients to the wet mixture and sprinkle in 3 oz (3/4 cup) chopped walnuts. Mix on low speed just until the flour is incorporated and no large streaks of flour remain. Do not overmix.
Divide the batter evenly between the two prepared 8×5-inch loaf pans and smooth the tops with a spatula.
Bake on the center rack for 45–50 minutes, or until a toothpick inserted into the center of each loaf comes out clean or with just a few moist crumbs attached.
Remove the pans from the oven and let the loaves cool in the pans on a wire rack for 20 minutes.
After 20 minutes, run a knife around the edges if needed, invert the loaves out of the pans, and transfer them to the wire rack. Cool the loaves to room temperature before slicing.

Why It’s Crowd-Pleasing

Banana bread is comfort food that travels well. The mash of ripe bananas adds natural sweetness and a moist crumb that most people love, while the walnuts provide contrast in texture. Using brown sugar adds a touch of caramel richness that lifts the overall flavor without being overpowering.

Because this recipe makes two loaves, it’s ideal for sharing: one for the table and one to send home with a neighbor, tuck into the freezer, or slice for weekday breakfasts. The flavor profile is familiar and approachable, making it a safe choice for potlucks, school treats, or a casual bake sale.

Substitutions by Category

Flour

If you don’t have Bob’s Red Mill GF blend, use another high-quality gluten-free all-purpose flour with xanthan gum or add 1/2 teaspoon xanthan gum if your blend lacks it. Brown rice flour alone can work (as noted), but blends with tapioca or potato starch often yield a lighter crumb.

Fats & Dairy

Butter gives the best flavor here. For dairy-free, swap with an equal amount of solid coconut oil or a dairy-free stick margarine, but expect a subtle change in flavor and texture.

Sweeteners

Light brown sugar is specified for its molasses notes. You can use dark brown sugar for a richer caramel tone or granulated sugar in a pinch, but the flavor will be less rounded.

Eggs & Binders

The recipe uses egg whites for structure. If you need a vegan alternative, see the “Substitutions by Diet” section for options like aquafaba (for volume) or commercial egg replacers, but you may need to adjust moisture slightly.

Nuts & Add-ins

Walnuts can be swapped for pecans or omitted for a nut-free loaf. If you omit nuts, consider adding 1/4 cup extra oats or chocolate chips if the diet allows — but be mindful of cross-contamination for gluten-free diets.

Essential Tools for Success

Two 8×5-inch loaf pans — the recipe is sized for two loaves; using different sizes will alter bake time.
Electric mixer — makes creaming the butter and sugar faster and ensures a smooth wet mix when adding bananas and applesauce.
Medium mixing bowl & large mixing bowl — one for dry ingredients, one for creamed wet ingredients.
Spatula — for scraping down the bowl and smoothing batter into pans.
Measuring cups & spoons — accurate measurements are important for gluten-free baking.
Wire cooling rack — allows loaves to cool evenly after the brief pan rest.
Toothpick or cake tester — to check doneness in the center of the loaf.

Missteps & Fixes

Dense, heavy crumb

Possible causes: overmixing after you add the flour, using too much flour, or not using ripe enough bananas. Fixes: mix only until combined, spoon and level flour instead of scooping, and use very ripe bananas. If your batter seems too thick before baking, a tablespoon or two of milk (dairy or non-dairy) can help, but add sparingly.

Gummy or overly moist center

Underbaking is the usual culprit. If a toothpick comes out with wet batter, return the loaves to the oven and continue baking, checking every 5 minutes. Also confirm your oven temperature with an oven thermometer; some ovens run cool or hot.

Loaf sinks in the middle

This can happen if the oven temperature drops suddenly (opening the door too often) or if the batter was overbeaten and trapped too much air. Avoid excessive mixing and minimize opening the oven during the first 30 minutes of baking.

Too brown on top before center is done

Cover the loaves loosely with foil for the last 10–15 minutes of baking to prevent overbrowning while the center finishes baking.

Substitutions by Diet

Dairy-free

Replace the 4 tablespoons softened butter with 4 tablespoons solid coconut oil or a dairy-free stick margarine. Use the same method, creaming the fat with sugar until light.

Egg-free / Vegan

Egg whites are used here for structure. For a vegan version try aquafaba: 3 tablespoons of aquafaba per egg white (so ~12 tablespoons total) whipped slightly before folding into the batter. Another option is a commercial egg replacer designed for baking; results vary, so test with one loaf first.

Nut-free

Skip the walnuts entirely or replace them with toasted seeds such as pumpkin or sunflower if seeds are allowed. If you need a crunch element but must avoid cross-contamination, ensure any replacement is certified nut-free.

Lower sugar

Reducing the brown sugar will change texture and color. Try reducing up to 1/4 cup with the expectation that the loaf will be less tender and less caramel-flavored. You may want to add a tablespoon of maple syrup or honey (if not vegan) to compensate for moisture loss.

Pro Perspective

Measure flour by spooning it into the cup and leveling with a knife rather than scooping directly from the bag; this prevents packing and too-dry batter. Use the ripest bananas you can find — they’re sweeter and contribute more moisture and flavor. When working with gluten-free flour, avoid overmixing once the flour is introduced; gluten-free mixes can develop a gummy texture if stressed.

Also, cool the loaves completely before slicing for the cleanest cuts. Slicing while warm will compress the crumb and produce uneven slices. If you want a shiny, bakery-like top, brush the top with a light swipe of melted butter right after the loaves come out of the oven.

Leftovers & Meal Prep

Store cooled loaves wrapped tightly at room temperature for up to 2 days. For longer storage, slice and freeze slices between sheets of parchment in an airtight container for up to 3 months. Thaw slices at room temperature or toast directly from frozen for an easy breakfast or snack.

To meal-prep: slice one loaf for the week and wrap slices individually. Freeze the second loaf for visits or busy weeks. Warm briefly in a toaster oven or microwave for a quick, comforting bite.

Your Questions, Answered

Q: Can I make a single loaf instead of two? A: Yes. Use a single 9×5-inch pan and expect the bake time to increase; start checking at 50 minutes and expect 55–70 minutes depending on your oven.

Q: Can I use whole eggs? A: You can substitute 4 large whole eggs for the 4 egg whites, but the texture will be slightly richer and more cake-like. No other quantities need to change.

Q: My bananas aren’t ripe—can I speed ripen them? A: Yes. Place bananas on a baking sheet and roast at 300°F (150°C) for 15–20 minutes until skins are blackened and insides soft. Let cool before mashing. Roasted bananas intensify banana flavor.

Q: Why applesauce? A: It keeps the loaf moist and reduces the need for more butter. Unsweetened applesauce is suggested so you can control sweetness with the brown sugar.

Final Bite

This Gluten-Free Banana Nut Bread is dependable, straightforward, and forgiving when you follow the order of steps and don’t overwork the gluten-free flour. Two loaves mean you’ll have enough to share or to put in the freezer, and the combination of bananas, applesauce, brown sugar, and walnuts makes for a balanced, comforting loaf. Make it your own with small swaps, and always let the bread cool before slicing for the best presentation and texture.

Gluten-Free Banana Nut Bread

A gluten-free banana nut bread made with ripe bananas, applesauce, gluten-free flour, and chopped walnuts. Baked in two 8x5-inch loaf pans.

Print Recipe Save it

Prep Time 24

Cook Time 41

Total Time 1 5

Servings 26 loaves

Equipment

Oven
8x5-inch loaf pans
baking spray
Medium Bowl
Large Bowl
Electric Mixer
Spatula
Wire Rack
Knife
Toothpick

Ingredients

7 ripe medium bananas mashed
1/2 cupunsweetened apple sauce
2-1/2 cupsBob's Red Mill gluten free flour all purpose or brown rice
1-1/2 tspbaking soda
1/2 tspsalt
4 tbspbutter softened
1 cuplight brown sugar unpacked
4 large egg whites
1 tspvanilla extract
3 oz3/4 cup chopped walnuts
baking spray (check label for GF)

Instructions

Preheat oven to 350°F (177°C). Place an oven rack in the center position. Spray two 8x5-inch loaf pans with baking spray (check the label to ensure it is gluten-free).
In a medium bowl, whisk together 2-1/2 cups gluten-free all-purpose (or brown rice) flour, 1-1/2 teaspoons baking soda, and 1/2 teaspoon salt. Set the dry mixture aside.
In a large bowl, use an electric mixer to cream 4 tablespoons softened butter and 1 cup light brown sugar (unpacked) on medium speed until light and fluffy, about 1–2 minutes.
Add 4 large egg whites, the mashed mixture of 7 ripe medium bananas, 1/2 cup unsweetened applesauce, and 1 teaspoon vanilla extract to the creamed butter and sugar. Beat on medium speed until the mixture is combined and slightly thickened. Scrape down the sides and bottom of the bowl with a spatula.
Add the reserved dry ingredients to the wet mixture and sprinkle in 3 oz (3/4 cup) chopped walnuts. Mix on low speed just until the flour is incorporated and no large streaks of flour remain. Do not overmix.
Divide the batter evenly between the two prepared 8x5-inch loaf pans and smooth the tops with a spatula.
Bake on the center rack for 45–50 minutes, or until a toothpick inserted into the center of each loaf comes out clean or with just a few moist crumbs attached.
Remove the pans from the oven and let the loaves cool in the pans on a wire rack for 20 minutes.
After 20 minutes, run a knife around the edges if needed, invert the loaves out of the pans, and transfer them to the wire rack. Cool the loaves to room temperature before slicing.

Notes

Notes
Without the Nuts - Old Points: 2 • Weight Watchers Points+: 3
Calories: 109 • Fat: 2 g • Carb: 24 g • Fiber: 2 g • Protein: 2 g • Sugar: 12 g
Cholesterol: 5 mg • Sodium: 106 mg
Using Bob's Red Mill Brown Rice Flour
Servings: 26 (2 loaves) • Serving Size: 1 slice • Old Pts: 3 • Weight Watchers Points+: 4
Calories: 145 • Fat: 5 g • Carb: 28 g • Fiber: 2 g • Protein: 2 g • Sugar: 12 g
Cholesterol: 5 mg • Sodium: 108 mg
Using Bob's Red Mill Brown Rice Flour Without the Nuts – Old Points: 2 • Weight Watchers Points+: 3
Calories: 124 • Fat: 2 g • Carb: 27 g • Fiber: 2 g • Protein: 2 g • Sugar: 12 g
Cholesterol: 5 mg • Sodium: 108 mg