Strawberry Crumb Bars

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These strawberry crumb bars are the perfect summer dessert: a soft oat-and-almond crust, a jammy fresh strawberry filling, and a buttery-tasting crumble on top, all made without butter, eggs, or refined sugar. They come together in one bowl plus a saucepan, bake in 25 minutes, and are naturally vegan. Make them when strawberries are at their peak and you want something sweet that still feels light.

When warm weather arrives, I just make sure I get my hands on as many fresh strawberries as possible. I love them fresh, or in desserts like this one. That’s why I chose strawberries to be the main star of the recipe I’m sharing with you today. We need to treat our souls from time to time, and a little dessert, eaten in moderation, hasn’t hurt anybody that I remember of. A dessert this rich in fruit is, I think, better than chocolate alone, and that’s exactly why I love these strawberry crumb bars.

What goes into these strawberry crumb bars

The magic here is that one dough does double duty: it presses into the base and gets crumbled over the top, so there’s no separate crust and topping to mix. The base is oats, ground oats, and almond flour, bound with a mashed banana, maple syrup, and a splash of coconut milk. The banana and maple syrup do the sweetening and the binding, so you won’t miss the butter or eggs. Almond flour keeps the crumble tender and gives it that rich, nutty bite.

For the filling, you cook fresh chopped strawberries down with a little more maple syrup and lemon juice, then thicken with chia seeds and cornstarch. My recommendation is to use fresh strawberries if you have the opportunity: they hold their shape better and taste brighter than frozen. When you’re shopping, look for berries that are deep red all the way to the shoulders, fragrant, and free of white or green tips, since strawberries don’t ripen further once picked.

Why the filling sets without eggs or gelatin

The reason this filling holds together is a two-part thickening trick. Simmering the strawberries for five to seven minutes releases their juice and softens them, while the cornstarch swells and gels as it heats to thicken that liquid on the spot. The chia seeds do the second half of the work: they absorb the surrounding moisture and form a gel around each seed, which keeps the filling spoonable rather than runny once it cools. Together they give you a jammy layer that stays put when you slice the bars instead of soaking into the crust.

This is what makes the whole thing work from a vegan perspective. Setting a fruit filling might seem trickier without eggs, but trust me, it’s not impossible. The lemon juice isn’t only for flavor either: a little acidity brightens the strawberries and keeps the cooked filling from tasting flat.

Tips for getting them just right

These being said, I cannot stress enough how easy this is to prepare. A few small things make the difference between good and great:

Press the base layer firmly and evenly with your fingers so the bars hold together once cut. A loose base crumbles when you lift a bar out.
Reserve a full quarter of the dough for the top and crumble it in uneven clumps, so you get those craggy, golden bits rather than a solid lid.
Let the strawberry filling cool for a few minutes after simmering before you pour it on, so it doesn’t melt into the base too much.
Watch for doneness by sight: the top should be set and lightly golden at the edges after about 25 minutes at 180 C.
Do not skip the cooling step. Cutting into warm bars is the fastest way to end up with a delicious mess instead of clean squares.

How to serve and store them

I love serving these strawberry crumb bars as a sweet mid-morning or afternoon snack, with a cup of coffee or Earl Grey tea with milk. They travel beautifully too, so I also love bringing them to brunches or picnics and eating them in nature. If you’re packing a spread, they slot right in next to other vegan picnic recipes, and they make a lovely lunchbox treat among these vegan recipes for kids.

Once cooled and cut, store the bars in an airtight container in the fridge for up to four to five days. The chilled filling firms up even more, so cold bars slice cleanly and hold their shape well for a packed snack. You can freeze them too: layer them between parchment in a sealed container for up to a couple of months, then thaw at room temperature. If you love this style of fruit-and-crumble dessert, you’ll want to browse more fruit crumbles and other easy vegan strawberry desserts for the rest of berry season.

Simple swaps and variations

This recipe is forgiving, so feel free to make it your own:

Swap the strawberries for another soft fruit when the season turns, following the same simmer-and-thicken method for the filling.
Use any plant milk you have on hand in place of the coconut milk; it’s there for moisture, not flavor.
If your banana is small, a slightly riper, larger one adds extra sweetness and helps the dough bind.
Craving more berry desserts in this vein? The same crowd loves these vegan strawberry muffins and a slice of vegan strawberry tart.

Have I convinced you to try this fresh summery dessert? If you make these strawberry crumb bars, please leave a star rating and drop a comment to tell me how the filling set for you and whether you tried a different fruit. I always love hearing how they turned out.

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Here’s the perfect summer dessert: strawberry crumb bars! They’re super yummy, extremely easy to make and simply addictive!

Prep Time 20

Cook Time 30

Total Time 50

Choose Serving Size 9

Ingredients

For the dough:

1 ½ cups oats
1 cup almond flour
1 cup ground oats
1 banana
¼ cup maple syrup
¼ cup coconut milk
2 tsp baking powder

For the filling:

2 ½ cups fresh strawberries chopped
1 Tbsp maple syrup
3 tsp lemon juice
5 tsp chia seeds
3 tsp cornstarch

Instructions

Wash and chop the strawberries.
Mix the strawberries with maple syrup, lemon juice, chia seeds, and cornstarch in a saucepan and simmer for 5-7 min on medium-low heat.
Combine all the ingredients for the dough.
Cover the baking dish with parchment paper.
Transfer 3/4 of the dough in the dish.
Press gently with your fingers to make the bottom layer.
Pour the strawberry filling over the crust.
Crumble the rest of the dough on top.
Bake at 180 C for 25 min.
Let it cool before cutting and serving the bars.

Frequently Asked Questions

Are these strawberry crumb bars vegan?

Yes. They contain no eggs, butter, dairy, or honey. The dough is bound with mashed banana, maple syrup, and coconut milk, and the filling is thickened with chia seeds and cornstarch, so every ingredient is plant-based.

Can I use frozen strawberries instead of fresh?

Fresh strawberries are best because they hold their shape and taste brighter. You can use frozen in a pinch, but let them thaw and drain first, since the extra water will make the filling looser. You may need to simmer a little longer to cook off that moisture.

How do I keep the strawberry filling from being runny?

The chia seeds and cornstarch are what set the filling. Simmer the strawberries with the maple syrup, lemon juice, chia, and cornstarch for five to seven minutes so the cornstarch gels and the chia absorbs the extra juice. Let the filling cool a few minutes before pouring it over the base, and the bars firm up further once fully cooled.

How long do strawberry crumb bars keep?

Store them in an airtight container in the fridge for four to five days. Chilling actually firms up the filling, so cold bars slice cleanly. You can also freeze them between layers of parchment for a couple of months and thaw at room temperature.

Do I need to make a separate crust and topping?

No, and that is what makes this recipe so easy. You mix one dough, press three-quarters of it into the base, and crumble the remaining quarter over the filling as the topping. One dough does both jobs.

Can I make these gluten-free?

The recipe is already grain-light and uses oats and almond flour rather than wheat flour. To make it fully gluten-free, use certified gluten-free oats and ground oats, since regular oats can be cross-contaminated with gluten during processing.

5 from 3 votes

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