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5 Ingredient Strawberry Crumble Bars

These easy 5 ingredient Strawberry Crumble Bars are made in one bowl with strawberry jam and baked for 40 minutes. Delicious served as a snack or dessert!

A stack of the strawberry crumble bars on display.

🍓 Why You Will Love This Recipe

  • 5 ingredients.
  • Easy and quick recipe.
  • Made in one bowl.
  • Generous strawberry jam filling.
  • Baked in 40 minutes. 
  • Perfect to make for snacks or morning tea.

These easy and quick strawberry crumble bars are not only delicious, but they’re also wonderful to make for snacks at home or if you’re having a morning tea with family and friends. 

For larger crumble desserts, try my Blueberry Apple Crumble and this Traditional Apple Crumble.

You can make these strawberry crumble bars all year round as they use strawberry jam instead of fresh strawberries. 

If you have too much strawberry jam on hand, try making this 5 ingredient strawberry crumble slice. The strawberry jam is used as the filling and is spread over the base before baking, with the remaining crumble sprinkled on top.

A close up image of one of the bars showing the strawberry jam oozing from the middle.

The crumble base and topping are prepared in one mixing bowl using 4 basic ingredients. You’ll be pressing 2/3 of the crumble into the base and sprinkling the remains crumble on top of the strawberry jam.

You can make these easy strawberry crumble bars into an after-dinner dessert by warming up a crumble bar in the oven or microwave and serving it with scoops of your favorite ice cream flavor. 

If you’re interested in more recipes using jam, try my Strawberry Jam Thumbprint Cookies, Baked Jam Donuts, Homemade Scones with Jam & Cream, and these delicious Iced VoVo Biscuits.

📋  Ingredient Notes & Substitutions

Here is what you need to make these delightful 5 ingredient strawberry crumble bars:

Showing each individual ingredient needed to make these strawberry crumble bars
  • Plain Flour – also known as all-purpose flour in the US. 
  • Rolled oats – use old-fashioned whole rolled oats, not quick oats or steel cut oats for your strawberry crumble bars.
  • Granulated sugar – I love to use golden/raw sugar but regular white granulated sugar can also be used.
  • Salted butter – if you use unsalted butter, I recommend you add a 1/4 tsp of fine salt or Kosher salt.
  • Strawberry jam – store-bought or homemade can be used. You can also experiment with different flavors of fruit jam if you desire for your crumble bars. 

🥣 Step By Step Instructions

Make these strawberry crumble bars in 5 easy steps!

1) In a large mixing bowl add flour, oats, and sugar. Mix until well combined. 

Combining the dry ingredients in a large mixing bowl.

2) Add softened butter and using your hands, rub the butter into the flour until it forms a crumbly dough.

Adding the softened butter in cubes and rubbing it into the dry flour mixture until it resembles a crumbly dough.

3) Transfer about 2/3 of the crumble dough into the lined pan and firmly press it in to form the base.

Pressing 2/3 of the crumble dough into the lined pan and spreading over the strawberry jam.

4) Pour the jam over the base and spread it out evenly using a spatula or spoon. Sprinkle over the remaining crumble. Bake for 35-40 minutes. 

Sprinkle the remaining crumble over the jam as the topping. Bake for 40 minutes.

5) Slice into bars and enjoy!

Slice the baked slab into bars and enjoy.

💭 Tips For Recipe Success

  • Make sure the butter is soft and at room temperature before starting. This makes it easier to blend into the dry ingredients. 
  • Rub the butter into the flour until it resembles a crumbly dough. It should stick when pressed together. 
  • Use only whole rolled oats and not steel cut or quick oats for these crumble bars.
  • Leave a small gap around the edges between the jam and the edges of the base.

⏲️ Storing Instructions

Store in an airtight container, at room temperature or refrigerated, for 5 days.

You can easily freeze these strawberry crumble bars by allowing them to cool completely, cutting them into bars, placing them in a freezer-friendly container then freezing them for up to 3 months. 

Defrost the crumble bars in the refrigerator or at room temperature until thawed or heat them in the microwave or oven. 

The baked crumble bars on a serving platter ready to enjoy.

💬 Recipe FAQ’s

Can you use a different flavored jam? 

Absolutely! Try swapping the strawberry jam for raspberry jam, apricot jam, blackberry, or blueberry jam. 

Can I make strawberry crumble bars gluten-free?

Yes! Replace the plain flour with your favorite plain all purpose gluten-free flour. For the oats, use certified gluten-free whole rolled oats. 

Can these be made vegan? 

Yes! Replace the butter with a quality vegan cooking block butter.

Can I freeze strawberry crumble bars?

Absolutely! Simply allow the strawberry crumble bars to cool then place them in a freezer-friendly container and freeze for up to 3 months. 

If you enjoy this recipe, please consider leaving a ⭐️ star rating and a comment review below. I love to hear what you think and it’s much appreciated. Thank you! Your email address will not be published. Sam x

The strawberry crumble bars stacked on top of each other ready to take a bar and enjoy.

5 Ingredient Strawberry Crumble Bars

Samantha Pickthall
These easy 5 ingredient Strawberry Crumble Bars are made in one bowl with strawberry jam and baked for 40 minutes. Delicious served as a snack or dessert!
4.86 from 7 votes
Prep Time 20 minutes
Cook Time 40 minutes
Total Time 1 hour
Course Dessert, Slice, Snack
Servings 16 bars
Calories 227 kcal

Ingredients
 
 

  • 1 1/2 cups (225g) plain all-purpose flour, scoop & leveled
  • 1 cup old-fashioned whole rolled oats
  • 1/3 cup golden/raw granulated sugar
  • 200 g salted butter, cubed and softened to room temperature
  • 1 cup store-bought or homemade strawberry jam, or jam flavor of choice

Instructions
 

  • Preheat the oven to 180ºC (350ºC). Line a 9” x 9“ square baking pan with parchment paper, and set aside.
  • Before beginning, ensure the butter is cubed and softened to room temperature.
  • In a large mixing bowl add flour, oats, and sugar. Mix until well combined.
  • Add softened butter and using your hands, rub the butter into the flour until it forms a crumbly dough.
  • Transfer about 2/3 of the crumble dough into the lined pan and firmly press it in to form the base.
  • Pour the jam over the base, spread it out and leave a small gap between the jam and the edge of the base all the way around.
  • Sprinkle over the remaining crumble.
  • Bake for 35-40 minutes or until the crumble topping has turned lightly golden and the jam is bubbling.
  • Remove and allow the crumble to cool completely in the pan.
  • Carefully transfer to a wire rack to cool further.
  • Slice into bars and enjoy!

Notes

Make sure the butter is soft and at room temperature before starting. This makes it easier to blend into the dry ingredients.
Rub the butter into the flour until it resembles a crumbly dough. It should stick when pressed together.
Use only whole rolled oats and not steel cut or quick oats for these crumble bars.
Leave a small gap around the edges between the jam and the edges of the base.
Store in an airtight container, at room temperature or refrigerated, for 5 days.
You can easily freeze these strawberry crumble bars by allowing them to cool completely, cutting them into bars, placing them in a freezer-friendly container then freezing them for up to 3 months.
Defrost the crumble bars in the refrigerator or at room temperature until thawed or heat them in the microwave or oven.

Nutrition

Calories: 227kcalCarbohydrates: 31gProtein: 2gFat: 11gSaturated Fat: 7gPolyunsaturated Fat: 1gMonounsaturated Fat: 3gTrans Fat: 0.4gCholesterol: 27mgSodium: 88mgPotassium: 51mgFiber: 1gSugar: 15gVitamin A: 312IUVitamin C: 2mgCalcium: 12mgIron: 1mg
Keyword crumble bars, strawberry, strawberry crumble
Tried this recipe? Let us know how it was!

If you enjoy this recipe, please consider leaving a ⭐️ star rating and a comment review below. I love to hear what you think and it’s much appreciated. Thank you! Your email address will not be published. Sam x

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