No Added Sugar Blackberry Crumble

This No Added Sugar Blackberry Crumble is surprisingly simple to make for something that tastes so good.

Made with fresh blackberries topped with a buttery oat and cinnamon crumble topping, this crumble is a comforting dessert that is sure to please.

What makes blackberry crumble so good?

A blackberry crumble is a two layered dessert featuring fresh berries that are topped with a buttery crumble topping.

I like that this tasty dessert tastes great serves warm or cold.

Have you tried my Sugar Free Keto Berry Crumble Bars?

Those crumble bars are made with both raspberries and blueberries. Both this recipe for blackberry crumble and that recipe for berry crumble bars are delicious fruit based desserts that have no added sugar in them.

My bars were baked in a 9" square baking dish. You can find square baking dishes with lids(for storage) here.

Why we love this recipe for crumble with no added sugar.

This blackberry crumble is the ultimate way to enjoy fresh blackberries in a comfort food sort of way. Where I live, blackberries can be found in produce departments year round.

Here is what else we like about this recipe.

• This is really an easy and simple dessert idea.
• Blackberry crumble can be served warm or cold and about any time of the day.

• The blackberries in this crumble are topped with a buttery oat and cinnamon crumble, which is baked to perfection to form a crispy top.

• This dessert is perfect as is, or served with a scoop of Sugar Free Vanilla Ice Cream vanilla ice cream or a dollop Sugar Free Whipped Cream.
• Blackberry crumble is especially enjoyable during the summer and fall months.
• This crumble smells amazing while it is baking in the oven.
• Leftovers can taste even better the next day.
• About everyone will like this recipe if you decide to share it with them.

Ingredients needed to make homemade crumble with blueberries.

Blackberry Filling.

• Blackberries Fresh blackberries are preferred in this recipe for flavor.
• Sugar Alternative. Select a granular sugar alternative that can also be baked with.
• Cornstarch. Added as a thickener for consistency.
• Vanilla Extract. Used as a flavor balance.
• Water. A fruit juice can alternatively be used for flavor.

Crumble Topping

• Oats. Old fashioned or rolled oats work best for consistency of the topping.
• Flour. You can use an alternative all purpose flour, such as gluten free all purpose flour, as long as it measures like regular all purpose flour.
• Brown Sugar Alternative. Select a brown sugar alternative that measures like regular brown sugar and that can also be baked with.
• Butter. The butter should be melted and cooled to room temperature.
• Cinnamon. Use a ground cinnamon that has no added sugar.
• Baking Powder. Added for a bit of leavening in the topping.

Tips for making the best blackberry crumble.

Fresh blackberries are preferred in this recipe as they will have the best flavor. If you decide to use frozen blackberries, you should use them frozen rather than allowing them to thaw out as thawing them can throw off the liquid ingredients in this recipe.

More helpful tips for you.

1. While my crumble was made with blackberries, you can use another berry instead of or with blackberries in this recipe. I like blueberries or raspberries for example.
2. When working with blackberries, keep in mind that they can be more fragile than other berries and can get a bit messy. You may want to wear an apron.
3. For a thicker filling, omit the water or add an extra teaspoon or two of the cornstarch.
4. To make a thinner more runny filling, you can omit the cornstarch.
5. Add an extra crunch to your topping with some chopped nuts such as walnuts.
6. If you are using frozen blackberries, you may need to add a bit of baking time to your crumble.

How to Make No Added Sugar Blackberry Crumble

Prep Time : 10 minutes .
Bake Time : 30 minutes .
Servings: Serves 6 .

1. Preheat your oven to 350 and prep your baking dish for nonstick. You can use a baking spray or butter which will add to the flavor while your crumble bakes.
2. Place the blackberries into a large mixing bowl. In a smaller bowl, use a whisk to combine together the sugar alternative, cornstarch, water, and vanilla extract. Then pour this mixture over the blackberries and toss them until the ingredients are combined and the the berries are covered with the other ingredients.
3. Evenly spread the blackberries in your prepared baking dish.
4. To make the crumble, combine together your oats, flour, brown sugar alternative, melted butter, cinnamon and baking powder in a mixing bowl or food processor until crumbly. Then sprinkle this (using your hands) over the blackberry mixture in the baking dish.
5. Bake your crumble for 30-35 minutes or until the the crumble topping turns golden and you can see some bubbling from the fruit.
6. While this dessert tastes amazing while warm, it is a good idea to allow it to cool a bit (10-20 minutes) before serving as the fruit can be hot.

Expert Tip 👉 For a thinner crumble with more servings, you can try using a larger baking dish. To make thicker and fewer servings, you can use a smaller square baking dish.