PB&J Swirl Muffins (High Protein, Gluten Free, Toddler Approved)

Name: PB&J Swirl Muffins
Prep time: 10 min
Cook time: 20 min
Total time: 30 min
Ingredients: 1 ½ cups almond flour; 1 tsp baking powder; ½ tsp baking soda; ¼ tsp salt; ½ cup mashed ripe banana (or applesauce); ¾ cup Greek yogurt; 2 tbsp maple syrup; 1 egg; 1 tsp vanilla extract; ¼ cup natural peanut butter (plus more for swirling); ¼ cup strawberry or raspberry jam (plus more for swirling)

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PB&J never stopped being a good idea. It just needed to become a muffin.

Almond flour batter with mashed banana, Greek yogurt, and peanut butter already built in. A dollop of peanut butter and jam swirled on top before baking. Twelve grams of protein per muffin, naturally sweetened, gluten free, and done in 30 minutes. My toddler is obsessed and I have been putting these in lunchboxes all week without a single complaint.

They taste exactly like a peanut butter and jelly sandwich except soft, warm, and way more satisfying. The nostalgia is real.

If you’re building out a weekly breakfast and snack rotation, these belong right alongside the brown butter blackberry streusel muffins and the cherry chocolate chip protein muffins.

Why You’ll Love These pb&j muffins

The peanut butter is doing double duty here. It goes into the batter itself so the whole muffin has that warm, nutty flavor all the way through, and then more gets swirled on top with jam so every bite has a jammy, creamy pocket. That combination is what makes these taste like an actual PB&J experience rather than just a muffin with peanut butter on it.

The almond flour and Greek yogurt base keeps them soft and protein-rich without being dense or gummy. They’re fluffy in a slightly different way than a wheat flour muffin — more tender, almost cake-like. The banana in the batter adds natural sweetness and moisture so you don’t need much maple syrup at all.

Ingredients You’ll Need

Almond flour: fine blanched almond flour is the base. Not almond meal — almond meal is coarser and makes the muffins gritty and heavier. Almond flour gives you that soft, slightly cake-like texture that makes these feel more like a bakery muffin than a protein brick.
Baking powder and baking soda: both are doing leavening work here. The combination gives almond flour muffins the best rise. Don’t skip either one.
Salt: a quarter teaspoon keeps everything from tasting flat.
Mashed ripe banana: ripe is important here. Spotty or fully brown bananas are sweeter and more flavorful and give you more natural moisture than underripe ones. If yours aren’t quite there, microwave them for 20 to 30 seconds to soften and sweeten them. Unsweetened applesauce is a direct swap if you don’t have bananas.
Greek yogurt: adds protein, moisture, and a subtle tang that works really well against the peanut butter and jam. Full-fat gives you the creamiest result.
Maple syrup: the banana and jam are both bringing sweetness so don’t increase it or the muffins can get too sweet.
Egg: binds the batter and gives the muffins structure. Without it they won’t hold together cleanly when you peel the liner off.
Vanilla extract: rounds out all the other flavors and makes the batter taste like something baked with intention.
Natural peanut butter: goes into the batter plus more for swirling on top. Natural peanut butter with just peanuts and salt works best here. Stir it well before measuring so the oil is incorporated. Sunflower seed butter is the best swap for nut-free households — just know it can turn the muffins slightly greenish inside due to a reaction with baking soda. Totally safe, just a quirk worth knowing before it surprises you.
Strawberry or raspberry jam: Use whatever your family likes. A jam with real fruit and not too much added sugar works best here. The jam bakes into the top of the muffin and creates those little pockets of jammy sweetness that make every bite feel like a full PB&J experience.

Easy swaps and variations

No banana? Unsweetened applesauce in the same amount works well. The flavor is slightly more neutral but the texture is similar.
Nut-free? Sunflower seed butter is the best swap for peanut butter. Wowbutter is a good option for school-safe lunchboxes. Just expect the slight green tint inside from the baking soda reaction — it’s safe and normal.
No almond flour? Regular all-purpose flour works but reduce the amount to about three-quarters of a cup since it absorbs more moisture than almond flour.
No Greek yogurt? Blended cottage cheese in the same amount adds extra protein and gives you a very similar texture. The blueberry lemon cottage cheese muffins use the same cottage cheese swap if you want to see how it works in another muffin recipe.
Different jam? Any fruit jam or jelly your family loves works here. Grape, blueberry, apricot, or mixed berry all work beautifully with the peanut butter base.
Want more protein? Stir a tablespoon of vanilla protein powder into the dry ingredients. Add a tablespoon of extra milk if the batter looks too thick.

How to Make This Recipe

Step 1: Preheat & prep and mix the dry ingredients. Preheat oven to 350°F. Line or grease a standard muffin tin. If using paper liners, give them a light spray with cooking spray too so the muffins release cleanly; almond flour muffins can stick to dry liners. In a large bowl whisk together the almond flour, baking powder, baking soda, and salt.

Step 2: Mix the wet ingredients. In a separate bowl mix the mashed banana, Greek yogurt, maple syrup, egg, vanilla, and peanut butter until smooth and fully combined.

Step 3: Combine. Fold the wet ingredients into the dry until just combined. Stop the moment you don’t see any more dry streaks. Overmixing almond flour batter makes the muffins dense instead of soft and tender.

Step 4: Portion. Spoon the batter into the muffin tin filling each cup about three-quarters full. These don’t rise as dramatically as wheat flour muffins so filling them generously is fine and actually gives you a better-looking muffin.

Step 5: Add the swirl. Add small dollops of peanut butter and jam on top of each muffin. Then use a toothpick or butter knife to swirl them together in a gentle zig-zag or figure-eight motion. Don’t be shy with the amount, the extra peanut butter and jam on top bakes in and creates those pockets that make these worth making.

Step 6: Bake and allow it to cool. Bake for 18 to 20 minutes until golden and set in the center. A toothpick inserted in the center should come out clean or with just a few moist crumbs. Let cool in the tin for at least 10 minutes before transferring to a rack. Then let them cool completely before peeling off the liner. Almond flour muffins are more fragile when warm than wheat flour muffins. They firm up significantly as they cool and hold together much better after 20 minutes than right out of the oven.

Tips for the best pb&j muffins

Cool completely before removing from the liner. This is the most important tip for almond flour muffins.
Use ripe bananas with lots of spots. Underripe bananas are starchier and less sweet and the muffins will taste flat.
Stir the natural peanut butter well before measuring. Separated peanut butter with the oil pooled on top doesn’t incorporate as smoothly into the batter.
Don’t overmix after combining wet and dry. Just until no dry streaks remain and stop.
Fill the cups three-quarters full. These don’t rise dramatically so filling generously gives you a better-looking muffin.
Be generous with the swirl toppings. More is more here. The peanut butter and jam bake into the muffin and create the best pockets when there’s enough of them.

Storage and Make Ahead

These are specifically good for lunchboxes because they hold up well at room temperature for several hours and don’t need to be reheated to taste good. Pack them cold straight from the fridge and they’re perfectly soft by lunchtime. They don’t need any accompaniments but a piece of fruit alongside makes a complete lunchbox situation without much effort.

For weekly meal prep, make a double batch and freeze half. Frozen muffins thaw overnight in the fridge or in about 30 seconds in the microwave. Having six to twelve muffins in the freezer means breakfast and lunchbox snacks are both handled without any morning effort.

Fridge: store in an airtight container for up to 5 days. These actually get slightly more moist on day two as the banana and yogurt settle into the crumb.

Freezer: freeze individually on a baking sheet until firm, then transfer to a freezer-safe bag or container for up to 3 months. Thaw overnight in the fridge or microwave for 20 to 30 seconds from frozen.

frequently asked questions

Can I use regular flour instead of almond flour?

Yes. Use about three-quarters of a cup of all-purpose flour in place of the one and a half cups of almond flour. Regular flour absorbs significantly more moisture so using the same amount would make the muffins very dense.

Can I make these nut-free?

Yes. Sunflower seed butter for the peanut butter. Be aware the inside of the muffins may turn slightly green from the sunflower seed butter reacting with baking soda. It’s completely safe and the flavor is unaffected.

Why do my muffins fall apart?

Almond flour muffins are more fragile than wheat flour muffins when warm. Cool completely in the tin before removing and peel the liner off gently.

Do I have to use banana?

No. Unsweetened applesauce in the same amount works as a direct swap. The flavor shifts slightly but the muffins are still great.

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PB&J Swirl Muffins