Peanut Butter Milkshake Recipe

Note from Ana

I am sure you know all about guilty pleasures, and most of us do not have just one. We usually have a guilty pleasure show, maybe a book, and definitely a food one too. Well, anything peanut butter is my guilty pleasure. There, I said it. I love peanut butter. Smooth, crunchy, it truly does not matter. I love it all.

So when I tell you this PB&J Milkshake is delicious, you really do have to believe me.

My family loves this recipe because it is fun, sweet, creamy, and just a little bit ridiculous in the best possible way. It takes that familiar peanut butter and jelly flavour we all know and turns it into something cold, thick, and completely treat-worthy. It is the kind of milkshake that feels playful from the very first sip, and somehow it always makes people smile before they have even finished the glass.

I love it because it comes together so quickly, but it still feels like a proper little event. Swirl the jam in the glass, pile on the whipped cream, add some crushed peanuts on top, and suddenly you have something that looks like you tried much harder than you actually did. Those are exactly the kind of recipes I appreciate.

And let me just say, if you are already a peanut butter person, this milkshake is dangerous knowledge. Because once you realise you can turn one of your favourite flavours into a cold, creamy dessert in five minutes, there is really no going back. It is sweet, nostalgic, a little over the top, and absolutely worth it.

This is one of those treats that does not pretend to be sensible, and I think that is part of the charm. Sometimes you just need a recipe that is there purely for joy, and this one does the job beautifully.

Best,

Ana

How to serve

I love serving this PB&J Milkshake straight away in tall glasses with a swirl of jam inside, a generous cloud of whipped cream on top, and a sprinkle of crushed peanuts for a little crunch. If you want to make it feel even more fun, add an extra drizzle of jelly over the whipped cream and serve it with a straw and a long spoon, because this is definitely the kind of treat that deserves both. It is lovely on its own as an afternoon pick-me-up, but it is also great with cookies, brownies, or a slice of simple cake if you are leaning fully into dessert mode. For kids’ parties or summer gatherings, you can serve it in smaller glasses as a mini treat, and for a more playful dessert table, pair it with peanut butter cookies, jam thumbprint cookies, or even little PB&J toast bites on the side.

Tips for Success

Use good-quality vanilla ice cream if you can, because in a simple recipe like this, the flavour really matters. A creamy, rich ice cream gives you a milkshake that tastes fuller and more indulgent right from the start.

Start with less milk, not more. It is always easier to thin a milkshake than to make it thick again. If you like that proper spoonable, diner-style texture, add the milk gradually until it is just how you want it.

Choose a peanut butter you genuinely love, because it will absolutely come through in the final flavour. Smooth gives you the silkiest texture, but crunchy can be lovely too if you do not mind a little extra texture in the shake.

Use jam or jelly that has a bright flavour. Strawberry, raspberry, or grape all work well, but the key is that little fruity sweetness needs to stand up to the richness of the peanut butter. That contrast is what makes the whole thing work.

Do not over-blend. Blend just until smooth and creamy. If you keep going too long, the milkshake can become too thin, and part of the charm here is that thick, cold, almost dessert-like texture.

If you want the glasses to look extra special, swirl the jam inside just before pouring. It takes almost no effort, but it makes the milkshake feel much more fun and a little bit nostalgic too.

Serve it straight away. This is definitely one of those recipes that is best enjoyed the moment it is made, while it is thick, frosty, and still holding that lovely creamy texture.

And finally, have fun with the toppings. Whipped cream, extra jam, crushed peanuts, even a cherry on top if that is your mood. This is not the time for restraint. This is the time to enjoy yourself properly.

Substitutions & Variations

This is such a fun little recipe to play with, and the good news is that it is very easy to adjust depending on what you have at home or what your family likes best.

If you do not have vanilla ice cream, you can use other ice cream, peanut butter ice cream, or even frozen vanilla yogurt for a slightly lighter version. The milk can also be adjusted depending on what you use at home. Regular milk works beautifully, but oat milk, almond milk, or another milk of your choice can work too, especially if you are just after a slightly different flavour or texture.

For the peanut butter, smooth will give you the creamiest milkshake, but crunchy works too if you like a little extra texture. You can also swap it for almond butter or another nut butter if that is what you prefer, though the flavour will change a little.

When it comes to the jam or jelly, strawberry, raspberry, and grape are all classic choices, but you can really use whatever you love. Blackberry jam, cherry jam, or even a mixed berry jam can be delicious here. If you want the flavour a little sharper, raspberry is especially lovely.

For a richer version, add a little extra peanut butter or reduce the milk for a thicker shake. If you want it thinner and more drinkable, just add a bit more milk until it is exactly how you like it.

You can also make it feel more like dessert with toppings. Whipped cream, crushed peanuts, extra jam, mini chocolate chips, or even a drizzle of melted chocolate can all make it extra fun. And if you want to turn it into a proper over-the-top treat, serve it with a peanut butter cookie on the side or tucked onto the rim of the glass.

For a slightly different twist, add a banana to the blender for a peanut butter and jelly banana milkshake, or a pinch of cinnamon for a little warmth. A spoonful of Greek yogurt can also make it feel a bit tangier and creamier at the same time.

And if you need a peanut-free option, sunflower seed butter can work surprisingly well. It will not taste exactly the same, of course, but it still gives you that creamy, nutty-style flavour with the jam.

Storage Tips

This is definitely one of those treats that is best enjoyed straight away, while it is cold, thick, and perfectly creamy. Milkshakes really do not love waiting around, and this one is no exception.

If you do have a little left, you can pour it into a jar or covered glass and keep it in the fridge for a few hours, but do expect it to melt and thin out quite a bit. Give it a very good stir before serving again, or pop it back into the blender with a small scoop of ice cream if you want to bring it closer to that original milkshake texture.

For a fun little leftover option, you can also freeze it in popsicle moulds and turn it into PB&J ice blocks, which is actually a very good idea if you ask me. It is one of those accidental leftovers that can turn into something just as fun the next day.

So yes, technically you can store it for a short time, but this recipe is really at its best the moment it is made, straw in hand, no patience required.