This banana bread is built to satisfy a sweet craving without undoing your day’s macro goals. It keeps the familiar comfort of banana bread—moist crumb, warm cinnamon notes, a tender slice—while trimming calories and boosting protein through smart swaps like nonfat Greek yogurt, collagen peptides, and measured sweetener. I tested this version for texture and balance, so you get a straight-forward recipe that works the first time.
I write these recipes for people who want taste and results, not a lecture. The loaf stays tender without being gummy, slices cleanly, and converts into great leftovers for breakfasts or snacks. The bake time is reasonable and the method is uncomplicated: mix wet, mix dry, combine, and bake.
Below you’ll find a tight shopping guide, the exact ingredients and steps used for testing, and practical tips to troubleshoot common problems. Make sure to read the notes section before you start if you want to tweak texture or timing for your oven.
Your Shopping Guide

Before you shop, check your pantry for staples: granulated sugar, baking powder, baking soda, cinnamon, and nutmeg. These small items have an outsized influence on flavor. Buy good-quality vanilla too—real vanilla makes a subtle but meaningful difference in the final loaf.
For the macro-focused elements, plan for plain nonfat Greek yogurt, collagen peptides (or your preferred brand of protein powder with a neutral flavor), and Truvia. If you don’t already keep liquid egg whites, a small carton is handy and lasts in the fridge. Buy bananas that are spotted or even mostly brown—the riper they are the sweeter and more aromatic your bread will be.
Ingredients
- 6 tablespoons Truvia — zero-calorie sweetener to cut sugar without removing sweetness; dissolve well into the wet ingredients.
- 1/4 cup granulated sugar — adds bulk and browning; keeps crumb tender.
- 5 tablespoons vegetable or canola oil — provides moisture and a soft crumb.
- 3/4 cup mashed banana — the primary flavor and natural sweetness; use very ripe bananas for best flavor.
- 2 large egg whites or 6 tablespoons liquid egg whites — adds structure while keeping fat lower than whole eggs.
- 1 teaspoon vanilla — rounds flavors and enhances the banana note.
- 1/4 cup plain, nonfat Greek yogurt — keeps the loaf moist and contributes protein.
- 1 1/2 cups all-purpose flour — base of the batter; measure with a spoon-and-level method for consistency.
- 1/4 cup nonfat milk powder — adds milky richness and helps with structure without extra liquid.
- 1/4 cup collagen peptides (2 scoops if using Vital Proteins) — boosts protein and improves mouthfeel; neutral in flavor.
- 1 teaspoon cinnamon — warm spice that complements banana.
- 1/4 teaspoon nutmeg — use sparingly; a little goes a long way.
- 1 teaspoon baking powder — primary leavening for lift.
- 1/2 teaspoon baking soda — works with the banana’s acidity to lighten texture.
- 1/2 teaspoon salt — balances sweetness and enhances flavor.
- 1/4 teaspoon salt — included in the tested dry mix; contributes to total seasoning.
Cooking (Macro Friendly Banana Bread): The Process
- Preheat oven to 350°F. Spray a loaf pan with nonstick cooking spray and line it with parchment paper (leave an overhang for easy removal). Note: the recipe was tested in an 8.5 x 4.5 x 2.75-inch pan; if your pan is larger the bake time will be shorter, if smaller it will be longer.
- In a large bowl, stir together 6 tablespoons Truvia, 1/4 cup granulated sugar, 5 tablespoons vegetable or canola oil, 3/4 cup mashed banana, 2 large egg whites (or 6 tablespoons liquid egg whites), 1 teaspoon vanilla, and 1/4 cup plain nonfat Greek yogurt until evenly combined.
- In a separate bowl, whisk together the dry ingredients: 1 1/2 cups all-purpose flour, 1/4 cup nonfat milk powder, 1/4 cup collagen peptides (2 scoops if using Vital Proteins), 1 teaspoon cinnamon, 1/4 teaspoon nutmeg, 1 teaspoon baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, and 1/4 teaspoon salt.
- Add the dry mixture to the wet mixture and stir gently until just incorporated. Scrape the sides and bottom of the bowl to ensure the batter is evenly mixed—do not overmix.
- Pour the batter into the prepared loaf pan and smooth the top with a spatula.
- Bake for 45–55 minutes, beginning to check at 45 minutes. The bread is done when a toothpick inserted into the center comes out clean or with a few moist crumbs, and the edges are slightly pulling away from the pan.
- Remove the loaf from the oven and cool in the pan for at least 15 minutes. Use the parchment overhang to lift the loaf from the pan, then cool completely (or mostly cool) on a wire rack before slicing.
- Slice into 12 even slices. Store remaining banana bread in an airtight container for up to 3 days. Leftover banana bread makes great French toast!
Why I Love This Recipe

This loaf balances nutrition and satisfaction. It keeps the feel of classic banana bread while dialing fat and added sugar down in sensible ways. The collagen peptides and nonfat milk powder give the crumb a pleasant, slightly denser texture that holds together well for sandwiches or a quick breakfast with nut butter.
It’s forgiving. The method tolerates a little variation in banana ripeness and mixing speed. You don’t need an electric mixer—just combine by hand and avoid overworking the batter. That makes this recipe fast to assemble on weeknights or before a busy morning.
If You’re Out Of…

- If you’re out of Truvia — use a granular sweetener you prefer; expect slightly different browning and sweetness. Start with an equivalent sweetness swap rather than a straight volume swap if using concentrated liquids.
- If you don’t have collagen peptides — a neutral-flavored protein powder can work, but flavor and absorption differ. Keep an eye on batter thickness and add a splash of milk if it’s too dry.
- If you only have whole eggs — swap one whole egg for two egg whites, or use one whole egg plus one egg white for a slightly richer loaf.
- If you’re low on ripe bananas — microwave a banana for 20–30 seconds to soften, then mash. Very firm bananas won’t mix in as smoothly.
Tools of the Trade
- 8.5 x 4.5 x 2.75-inch loaf pan (recommended size for tested bake time).
- Parchment paper and nonstick cooking spray — easy release matters for neat slices.
- Two mixing bowls — one for wet ingredients, one for dry; keeps things tidy.
- Rubber spatula and whisk — spatula for folding, whisk for dry ingredients.
- Wire rack — cool the loaf so steam doesn’t make the bottom soggy.
Things That Go Wrong
Dense or gummy center: This typically means the loaf was underbaked or overmixed. Start checking at 45 minutes and test with a toothpick in the center. If it comes out with wet batter, give it 5–10 more minutes. Also, stop mixing as soon as the dry ingredients are incorporated—overworking develops gluten.
Top browns too quickly while center is raw: Tent with foil loosely after 30–35 minutes if the top is getting too dark; that lets the center continue baking without burning the top.
Bread is flat and heavy: Make sure your baking powder and baking soda are fresh. Old leavening will fail to give lift. Also measure flour properly—packing flour into the cup adds too much and weighs the batter down.
Year-Round Variations
- Spiced: Increase cinnamon slightly or add a pinch more nutmeg for cozy winter flavors.
- Toasted slices: Lightly toast slices and spread with a thin layer of plain nonfat Greek yogurt for a quick, higher-protein breakfast.
- Muffin conversion: Divide batter into a muffin tin (use liners) and reduce bake time; start checking at roughly 18–22 minutes, depending on your oven and pan size.
Recipe Notes & Chef’s Commentary
Measure flour by spooning into the cup and leveling with a knife. Too much flour dries the loaf. When mixing the wet and dry, fold with short strokes—stiff, vigorous stirring will tighten the crumb. The two salts listed in the tested dry mix combine to give a precise seasoning level; don’t omit salt altogether as it enhances both banana and vanilla flavors.
Banana quantity is listed as 3/4 cup mashed—this is less than using two whole bananas. That amount keeps moisture and sweetness under control for the macro goals. If you use more banana, expect a moister, sweeter loaf and possibly a need for slightly longer bake time.
Collagen peptides are flavor-neutral and help the slice hold together, but they don’t replace other structural ingredients. The nonfat milk powder contributes dairy solids without extra liquid; this helps the loaf brown and improves mouthfeel without adding fat.
Keep-It-Fresh Plan
Store the loaf in an airtight container at room temperature for up to 3 days, as tested. For longer storage, slice and freeze in individual portions wrapped tightly in plastic and placed in a freezer bag—thaw at room temperature or toast frozen slices straight from the freezer. If you refrigerate, expect the texture to firm up; bring slices back to room temperature or briefly microwave to soften.
Troubleshooting Q&A
Q: My loaf is still wet in the middle after 55 minutes—what now?
A: Keep baking and check every 5 minutes. If the top is browning too fast, tent with foil. Ovens vary; the tested range is 45–55 minutes for the specified pan size.
Q: Can I use whole wheat or oat flour?
A: You can experiment, but expect a denser crumb and different hydration. If you swap flours, start by replacing no more than half and watch the batter consistency; add a splash of milk if it feels too dry.
Q: Will the collagen peptides change flavor?
A: Neutral brands won’t. If your protein powder has a strong flavor, it will affect the final loaf.
Make It Tonight
Preheat, mix, and pop into the oven in about 10–15 minutes. Bake for 45–55 minutes, cool for at least 15 minutes in the pan, and you’ll have a loaf ready to slice within roughly an hour and fifteen minutes. Expect 12 even slices per loaf—perfect to portion out breakfasts or pack into lunches.
Follow the exact ingredient list and steps above for the loaf I developed and tested. If you want to tweak sweetness or texture, read the notes before you alter amounts. Otherwise, assemble, bake, and enjoy a reliable, macro-friendly banana bread tonight.

Macro Friendly Banana Bread
Ingredients
Ingredients
- 6 tablespoonstruvia
- 1/4 cupgranulated sugar
- 5 tablespoonsvegetable oilor canola oil
- 3/4 cupmashed banana
- 2 largeegg whitesor 6 tablespoons liquid egg whites
- 1 teaspoonvanilla
- 1/4 cupplain nonfat greek yogurt
- 1 1/2 cupsall purpose flour
- 1/4 cupnonfat milk powder
- 1/4 cupcollagen peptides2 scoops if using vital proteins
- 1 teaspooncinnamon
- 1/4 teaspoonnutmeg
- 1/2 teaspoonsalt
- 1 teaspoonbaking powder
- 1/2 teaspoonbaking soda
- 1/4 teaspoonsalt
Instructions
Instructions
- Preheat oven to 350°F. Spray a loaf pan with nonstick cooking spray and line it with parchment paper (leave an overhang for easy removal). Note: the recipe was tested in an 8.5 x 4.5 x 2.75-inch pan; if your pan is larger the bake time will be shorter, if smaller it will be longer.
- In a large bowl, stir together 6 tablespoons Truvia, 1/4 cup granulated sugar, 5 tablespoons vegetable or canola oil, 3/4 cup mashed banana, 2 large egg whites (or 6 tablespoons liquid egg whites), 1 teaspoon vanilla, and 1/4 cup plain nonfat Greek yogurt until evenly combined.
- In a separate bowl, whisk together the dry ingredients: 1 1/2 cups all-purpose flour, 1/4 cup nonfat milk powder, 1/4 cup collagen peptides (2 scoops if using Vital Proteins), 1 teaspoon cinnamon, 1/4 teaspoon nutmeg, 1 teaspoon baking powder, 1/2 teaspoon baking soda, 1/2 teaspoon salt, and 1/4 teaspoon salt.
- Add the dry mixture to the wet mixture and stir gently until just incorporated. Scrape the sides and bottom of the bowl to ensure the batter is evenly mixed—do not overmix.
- Pour the batter into the prepared loaf pan and smooth the top with a spatula.
- Bake for 45–55 minutes, beginning to check at 45 minutes. The bread is done when a toothpick inserted into the center comes out clean or with a few moist crumbs, and the edges are slightly pulling away from the pan.
- Remove the loaf from the oven and cool in the pan for at least 15 minutes. Use the parchment overhang to lift the loaf from the pan, then cool completely (or mostly cool) on a wire rack before slicing.
- Slice into 12 even slices. Store remaining banana bread in an airtight container for up to 3 days. Leftover banana bread makes great French toast!
Equipment
- Oven
- Loaf Pan
- Nonstick Cooking Spray
- Parchment Paper
- Mixing Bowl
- Whisk
- Spatula
- Wire Rack
- toothpick
Notes
More accurate macros for this recipe (1 slice, 1/12th of loaf): 151 calories, 5.3g P/ 24.1g C/6.1g F.
