Fresh Milled Flour Jam Bars (Buttery Shortbread)

Name: Fresh Milled Flour Jam Bars (Buttery Shortbread)
Prep time: 10 min
Cook time: 30 min
Total time: 40 min
Ingredients: 1 cup salted butter (cold and cubed); 1/2 cup granulated sugar; 300 g soft white wheat berries ((see more options below)); 1/4 teaspoon salt; 1/2 teaspoon vanilla extract; 1/4 teaspoon almond extract; 3/4 cup jam (raspberry, strawberry, mixed berry, or your favorite)

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Buttery, tender, and layered with sweet jam, these fresh milled flour jam bars have a soft shortbread-style base and come together in minutes. Whether you’re using up homemade jam or baking for a gathering, they’re always a hit, and once you make them, you’ll find yourself coming back to this recipe again and again all year long.

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Fresh milled flour jam crumble bars with soft buttery crust and berry jam filling.

Why You’ll Love These Fresh Milled Flour Jam Bars

Simple ingredients: pantry staples + your favorite jam
Whole grain goodness: made with freshly milled flour, so you get all the natural nutrients and flavor of the wheat (learn more about the benefits of fresh milled flour here)
Quick to make: just mix, press, layer, and bake
Versatile – works with any jam: raspberry, strawberry, blueberry, mixed berry, cherry, rhubarb, peach, plum, apricot, you name it!
Freezer-friendly – great for making ahead

Ingredients for fresh milled flour jam bars including soft white wheat berries, butter, sugar, jam, vanilla, almond extract, and salt.

Ingredients for the best Fresh Milled Flour Jam Bars:

Butter: The foundation of any good shortbread-style bar is real butter. Using a high-quality butter (like Kerrygold) will give you that rich, melt-in-your-mouth texture and classic buttery flavor.
Sugar: I used organic cane sugar. It adds just the right amount of sweetness while helping create those lightly golden edges and a soft, tender center.
Soft White Berries: I used freshly milled soft white wheat for a light, tender crumb. It would also be great with spelt, einkorn, or even a blend of all three; experiment and see what you like best!
Salt: Just enough to bring everything together and give these bars that perfectly balanced flavor. I use Redmond’s Real Salt.
Vanilla + Almond Extract: This combination adds depth and a subtle bakery-style flavor. The almond extract is light but really elevates the overall taste.
Jam: I used Crofter’s Organic Berry Harvest jam, a blend of strawberries, blueberries, blackberries, and raspberries, but this will work with any flavor of jam or preserves.

Shortbread dough pressed into parchment-lined pan

Jam spread evenly over fresh milled shortbread base

How to Make Fresh Milled Flour Jam Bars

Preheat oven to 350°F. Line an 8×8 pan with parchment paper.
Weigh out 300 g soft white wheat berries (or another soft wheat of choice) and mill on the finest setting of your grain mill.
In a stand mixer, combine the butter, sugar, salt, vanilla, almond extract.With the mixer running on low, slowly add the freshly milled flour until the dough starts to come together.
Press 2/3 of the dough firmly into the bottom of the pan.
Spread the jam over the base layer.
Crumble the remaining dough over the top.
Bake for 30–35 minutes, or until lightly golden.
Cool completely before slicing into bars.

Overhead view of fresh milled flour jam bars arranged on parchment paper after baking.

Tips for the Best Fresh Milled Flour Jam Bars

Weigh your wheat berries, not your flour
With fresh milled flour, the weight stays the same before and after milling. Just weigh your wheat berries first, then mill, no need to measure again. For example, 300g of wheat berries will give you 300g of fresh milled flour.

Measure the dough for perfect layers
For a more even base and topping, weigh your finished dough and calculate 2/3 for the bottom layer. This takes the guesswork out and helps you get a consistent crust every time.

Press the base firmly
It can take a minute for the dough to smooth out as you press it into the pan, but keep working it, it’ll come together and create a sturdy base for the jam.

Watch your bake time
Bake until the top is lightly golden. If it’s not starting to brown around 30 minutes, give them a few more minutes; it can take closer to 35-40 minutes depending on your oven.

Fresh milled flour jam bars cut into squares with buttery crumble topping and berry jam filling on parchment paper.

How to Store Fresh Milled Flour Jam Bars

After the bars have fully cooled, transfer them to an airtight container. They can be kept on the counter for up to 1-2 weeks or refrigerated for up to 3 weeks.

For longer storage, place the bars in a single layer to freeze until firm, then transfer to a freezer-safe container or bag. This keeps them from sticking together. Thaw at room temperature before serving.

FAQ

You can use hard wheat, but the bars will turn out a little denser and less tender. Soft white wheat is ideal for that classic shortbread-style texture.

The key to good shortbread is keeping gluten development low, which is why softer wheat works best here. Hard wheat is naturally stronger and tends to create more structure, which can give you a firmer, more bread-like result instead of that soft, crumbly bite.

If you’d like to experiment, other softer grains like spelt or einkorn would be excellent, too. Both have a more delicate gluten structure and can give you a tender texture with a slightly different flavor—definitely worth trying to see what you like best!

Most definitely, just make sure it’s thick, not too runny.

Yes. Simply double all of the ingredients and bake in a 9×13 pan. The bake time may be slightly longer, so keep an eye on the bars and bake until the top is lightly golden.

Sure. Swap the butter for a plant-based substitute. Look for one that comes in sticks (not spreadable tubs) for the best texture. The flavor will be slightly different, but you’ll still get a tender, crumbly bar that works well with the jam.

This recipe was developed with fresh milled wheat, so it won’t be a direct 1:1 swap. However, you can try using a good-quality gluten-free flour blend designed for baking. The texture will be a bit different—more delicate and slightly less crumbly—but still delicious. You may need to adjust slightly if the dough feels too dry or too soft.

Close-up of fresh milled flour jam crumble bars with golden crumb topping and thick homemade jam layer.

These fresh milled flour jam bars are such a good dessert to keep in your back pocket because they’re incredibly easy to whip together and everybody loves them. Whether you’re using up homemade jam or baking for a gathering, they’re always a hit.

More Fresh Milled Dessert Recipes

Equipment

Grain mill
Kitchen scale
Stand mixer or hand mixer
8×8 baking dish

Ingredients

1 cup salted butter cold and cubed
1/2 cup granulated sugar
300 g soft white wheat berries (see more options below)
1/4 teaspoon salt
1/2 teaspoon vanilla extract
1/4 teaspoon almond extract
3/4 cup jam raspberry, strawberry, mixed berry, or your favorite

Instructions

Preheat oven to 350°F. Line an 8×8 pan with parchment paper.
Weigh out 300 g soft white wheat berries (or another soft wheat of choice) and mill on the finest setting of your grain mill.
In a stand mixer, combine the butter, sugar, flour, salt, vanilla, and almond extract. With the mixer running on low, slowly add the freshly milled flour until the dough starts to come together.
Press 2/3 of the dough firmly into the bottom of the pan.
Spread the jam over the base layer.
Crumble the remaining dough over the top.
Bake for 30–40 minutes, until lightly golden. (see note below)
Cool completely before slicing into bars.

Notes

I used soft white wheat for this recipe, but you can also experiment with other soft wheats like einkorn, spelt, or a blend to see what you like best. I often test my recipes using different combinations of these softer wheats, and they always turn out amazing.

If they aren’t starting to brown after 30 minutes, continue baking, this can take closer to 35–40 minutes depending on your oven. Remove once the top is lightly golden.

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One Comment

Linny says:

April 26, 2026 at 1:51 am

These are amazing! And so easy to make. I wanted to give it 5 stars, but it doesn’t allow me to give it more than 4, maybe it’s just a glitch with my phone. We couldn’t wait to try them, so we ate them warm. So delicious!