Blackberry Crisp with Oats

This Blackberry Crisp with Oats recipe is a fantastic summer dessert, offering classic warm-weather comfort. Syrupy blackberries, combined with sweet, chewy oat crumble, and, of course, topped with vanilla ice cream, make these summer desserts truly sublime! 

For more crisp and crumble recipes, try my Strawberry Rhubarb Crisp, my Plum Crumble, or my classic Apple Crisp recipe. 

Recipe Pairing Ideas:

• For a wonderful summer main course, try my Fall-Off-The-Bone BBQ Ribs or my Mixed Grill Platter
• For sides, try my Traditional Potato Salad, Charred Mexican Corn Salad, or my Creamy Dill Cucumber Salad.

Step#1: Prep the Blackberries

• I love prepping this dessert because there is no fruit to peel or chop! Just rinse the berries and place them in a bowl.
• You can also use 1/2 the amount of blackberries and fill the rest with blueberries, which would be just as easy and delicious for a blackberry/blueberry crisp! 
• Blackberries are so fragile that they cook up quickly, so there is no need to cook them first. You can pop them in a crisp or crumble directly.
• They will bake in the oven and be beautifully syrupy after 35 minutes of baking!

Swapping out Blackberries for Other Fruits

• This recipe is very adaptable; you can use any fruit you like, just keep the quantities the same.
• If adding stone fruit with berries, cut the fruit to be roughly the same size as the berries so they bake at the same rate.
• Other Delicious Fruit Combos Include: Blackberry/Nectarine, Strawberry/Rhubarb, Raspberry/Peach.

Creating the Blackberry Filling

• You’ll toss the blackberries with white sugar, lemon juice, and cornstarch. The cornstarch will help thicken the sauce, which will add to the lovely syrupy texture of the berries once they are baked.
• You can use flour, but I find cornstarch is a more reliable thickener, and it makes the syrup thicker, too!
• You could certainly skip the ramekins and bake this as a casserole in a 10-inch pie plate, or 9 x 11 casserole, or a square 10-inch brownie pan.
• If baking in a casserole dish, just make sure it’s not larger than 9 or 10 inches, or your crisp will be too thin.

Preventing a Dry Crisp

• The thing about crumbles and crisps is that they can be a bit dry if you don’t prime them with a little liquid first.
• You can use water, but to add a bit more flavor, I turn to fresh lemon juice. The tartness is a nice match for the syrup’s sweetness and the crisp’s sweetness on top.
• The liquid helps the blackberries steam and break down while also activating the cornstarch to thicken. 

The Joy of an Individual Ramekin

• I love the idea of serving these as individual portions.
• Not only does it eliminate the need to serve dessert at the table and pass it around, but it also creates a prettier presentation, since crumbles and crisps can be a bit messy to serve.
• This way, everyone gets their own little mess to make with the delicious topping fully intact.
• It definitely creates a bigger wow factor when you bring it to the table as individual portions! 

Step#2: Prepare the Crisp Topping

• Transfer the blackberry mixture to your ramekins and place them on a sheet pan while you prepare the crisp topping. 
• Personally, I really love a crunchy topping, and the best way to ensure that is with a bit of oatmeal.
• It adds texture and crunch to the crisp, which pairs nicely with the soft, syrupy blackberries below.
• The brown sugar also gives it a nice chewiness, which is a terrific match for the rich, creamy ice cream. 

Why does my Crisp melt too quickly?

• I find the butter-to-flour ratio important. Too much butter, and the crisp won’t form a nice crumb; it will be too liquid and melt too fast in the oven.
• Not enough butter, and the crisp will be dry.
• For this, I use 1 cup of flour to 1/2 cup of butter, and then to prevent further dryness, I also add 3 tablespoons of heavy cream. I find this is the perfect ratio for crisp toppings!

Be Generous with The Topping

• Once the crisp topping is made, sprinkle it generously on each ramekin. Let’s face it, the topping is the best part, so don’t be shy, load it on!
• There are also quite a lot of blackberries in those ramekins, so having enough crisp topping ensures you’ll get enough with every bite and won’t be left with just the syrupy blackberries. 

Presentation Tip:

• I also like to allow small pockets for the berries to peek through. This creates pretty detailing around the rim of the baked-on syrup, which adds to the presentation.
• It also allows a little place for the syrup to bubble while it is in the oven. This will also make it easier to check for doneness. 

How to Know When Your Crisps Are Done

• Allow them to bake as directed, but once you are nearing the time they should be done, check for the syrupy dribbles!
• You should see the syrup oozing down the sides. If you don’t see that, you can “help it along” by adding a little water to each one to get those juices bubbling and the cornstarch activating!
• To thicken, cornstarch needs hot, bubbling liquid to “activate” and do its thickening work.
• The oozing syrup indicates that the liquid is hot enough and that the thickening process has begun.
• This will also ensure your crisps will not be watery! 

Step#3: Serve with Ice Cream

• Allow your blackberry crisps to cool slightly.
• These are best served warm, not too hot. Otherwise, the ice cream will melt too quickly, and you’ll end up with a bit of blackberry soup! 
• But when it’s served warm, the ice cream melts slowly. It combines with the blackberry syrup for the most fantastic summer combination!