This is a delicious hand-held treat to be served for dessert or packed up to enjoy at a sunny picnic.  

Strawberries at my local market this month in Southern Brittany.

Spring in Brittany is celebrated for many reasons – with one of the top ones being the arrival of fresh, local strawberries!

Strawberry season is massive here, and you’ll often find many several meter long queues of people waiting to get their hands on a basket of these ruby red jewels.

I am of course very fond of strawberries and make it a point to enjoy this fleeting season as much as possible, by enjoying fresh, cooked and baked strawberries. Whenever I yearn for an elegant dessert, my go-to is the Classic French Strawberry Tart – it never disappoints. But for when I just want a quick and convenient treat, these oats bars are absolute winners.

Strawberry Oat Bars 

These strawberry oat bars are such a fun and delicious treat to make. The buttery crumble is made with a good amount of oats, which makes it perfectly crumbly. It is used as both the base and the topping of these bars, and is whipped up in just a few minutes.

For the filling, I make a quick strawberry “preserve” with fresh strawberries, sugar and cornstarch. Making the strawberry filling from scratch (vs. store-bought preserves or jam) really makes a difference here. This filling is a juicy, slightly tangy, less sweet and plenty more vibrant option than store-bought alternatives. It allows the strawberry flavors to shine beautifully. 

Ingredients you’ll need for these Strawberry Oat Bars

1. Flour. All-purpose flour is the way to go here.
2. A pinch of salt. To enhance the flavors. 
3. Oats. You can opt for quick or regular oats.
4. Sugar. I love to make this recipe with cane sugar, but brown sugar (light or dark) works great too.
5. Ginger powder. A pinch of ginger powder pairs very nicely with the buttery crumb and the tang of the strawberry filling.
6. Baking powder. One teaspoon of baking powder adds a little lift to the crumb.
7. Unsalted butter. I almost always prefer to use unsalted butter when baking to control the amount of salt in the recipe. The butter needs to be very cold and cubed. I like to cube the butter and pop it back into the fridge for about 30 minutes before using it, to ensure it is properly cold.
8. For the filling: strawberries, cornstarch and sugar. For these bars, we will make a quick strawberry filling over the stovetop made with strawberries, sugar and cornstarch. The mix boils for just a few minutes to become a liquid and then thickens just lightly. Don’t worry if you find the filling is too liquid when you pour it atop the bottom crust, it will cook more as it bakes and thickens significantly as it cools. Once completely cooled, the bars are cut in clean slices, and the filling won’t ooze out.

Frequently Asked Questions

Can I substitute your strawberry filling with already-made strawberry jam?

If strawberries aren’t in season, yes you can use strawberry jam for the filling. Although note the bars will be significantly sweeter.

If strawberries are in season, I highly recommend you take the extra 10 minutes to make this homemade filling. It is less sweet and sticky than jam, and allows the taste of the in-season strawberries shine more.

How long do these squares keep?

If you have any leftovers, pack the squares into an airtight container on the counter. They keep very well for up to 3 days.

Audrey’s Tips:

• This recipe is best made in a 9×9-in (22,8cm x22,8cm) baking dish.
• To guarantee the crumble top and base are crisp and chunky, I use very cold cubed butter (vs. melted butter). To blend the butter with the dry ingredients I like to use my hands to mix until just incorporated with pea-size bits of butter still visible. You can also opt for a pastry cutter or food processor.
• A good quality butter will go a long way: opt for a European butter with a higher fat content.
• Even though these oat bars are delicious to day of, I think they’re actually better the next day as the flavors blend and the two textures (crumble and filling) “merge” even better. 

I hope you’ll love this Strawberry Oat Bars as much as I do! If you have any questions, please leave a comment. 

More strawberry recipes you may like: 

• Classic French Strawberry Tart (Tarte Aux Fraises)
• Strawberry Flaugnarde 
• Strawberry Rhubarb Galette 
• Fresh Strawberry Moelleux Cake 
• Strawberry Charlotte Cake
• Strawberry Rhubarb Crisp 
• Strawberry Jam
• Classic French Fruit Tart (Tarte aux fruits frais)

Strawberry Oat Bars

Print Recipe

Serves: 9 Prep Time: 20 Minutes Cooking Time: 40 Minutes 40 Minutes

Nutrition facts: 200 calories 20 grams fat

Rating: 3.8/5

( 6 voted )

Ingredients

For the filling:
10 ounces (300g) strawberries, hulled and sliced
1 tbsp (15g) cornstarch
¼ cup (50g) sugar
For the crust:
1 ½ cups (187.5g) all-purpose flour
1 ½ cups (135g) oats
⅔ cup (142g) cane sugar
½ tsp salt
¼ tsp ginger powder
1 tsp baking powder
1 ¾ sticks (200g) unsalted butter, cold and cubed

Instructions

Step 1 - Start by making the filling. In a medium saucepan, combine the strawberries, the cornstarch and sugar over medium heat. Bring to a boil and let boil for 5-7 minutes, stirring occasionally, until the consistency thickens and gets syrupy. Turn off the heat and reserve.

Preheat your oven to 350°F (180°C) with a rack in the middle. Line a 9x9in (22.8cm x22.8cm) baking dish with parchment paper.

Step 2 - In a large mixing bowl, mix together the flour, oats, cane sugar, salt, ginger powder and baking powder. Add the cubed butter and mix with your fingertips until you get a (very slightly moist) coarse crumb.

Step 3 - Sprinkle half of the crumbs into the prepared lined pan, and pat lightly with the palm of your hand to pack lightly. Pour the strawberry mixture over, making sure it covers the whole surface. Sprinkle the other half of the crumb mixture over the top.

Bake for 40 minutes, until golden on top. Remove from oven and let cool onto a cooling rack. When completely cool, remove carefully from the pan, unpeel parchment paper from the sides and cut into squares.

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