This Microwave Saskatoon Berry Crisp (in a mug) is a great way to enjoy Saskatoon berry crisp in a hurry (within 7 minutes), and without heating up your house! And if you only have a small amount of berries or only want to make a small amount of crisp, it's the perfect way to satisfy that craving without having to make a big portion.

Saskatoon berries have a very short season, which ranges from around mid-late July to early August (depending on where you live and the weather that year.) This Saskatoon crisp recipe was inspired by my other mug fruit crisps: Healthy Apple Crisp in a Mug and my Microwave Rhubarb Crisp (in a mug) on this site, and pairs well with any summer meal such as my Buffalo Chicken Zucchini Boats!
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🥘Ingredient Notes
You will need the following ingredients for this delicious recipe:

- Quick oats. I use quick rolled oats or "quick oats" because they cook faster than regular or old-fashioned rolled oats.. They're partially cooked by steaming and then rolled even thinner than old-fashioned oats. Do NOT use instant oats - they will turn to mush!.
- Brown sugar. I use brown sugar, which brings a deeper, almost caramel or toffee-like flavor to baked goods.
- Unsalted butter. I use unsalted butter so I can control how much salt is in the recipe. The salt content in salted butter varies by brand.
- Saskatoon berries. You can use fresh or frozen saskatoon berries. If you use frozen berries, be sure to fully defrost and drain them.
- Lemon zest. Lemon zest perfectly balances the sweetness in this recipe!
- Almond extract. Almond extract elevates the flavor of this crisp with a unique twist.
- Light whipped cream. I use spray light whipped cream because it's quick and easy, and the light version has fewer calories.
📖Variations & Substitutions
- Butter - you can use salted butter instead of unsalted, but you may need to add an additional ½ tablespoon of brown sugar to balance the sweetness and saltiness
- Whipped cream- you could use regular whipped cream, but it will have more calories and fat
- Oats - you can substitute regular rolled oats
- Lemon zest - you could use the zest of an orange
- Sugar - you can use white sugar instead of brown sugar, but it will change the flavor.
- Almond extract - you can substitute vanilla extract, but it will change the flavor.
- Saskatoon berries - you can use fresh or frozen berries, but be sure to measure the berries AFTER they are thawed
🔪How to Make Saskatoon Berry Crisp
Prep: Spray a microwave-safe mug with non-stick cooking spray

Toss Saskatoons with ½ tablespoon of the brown sugar, 1 teaspoon cinnamon, almond extract, water, cornstarch, water, and whipped cream.
*You can do this in a separate large bowl or right in the mug.

In a small bowl, stir in the quick oats, flour, 1 tablespoon brown suga,r and 1 teaspoon cinnamon. Then stir in the melted butter to create the crisp topping.

Add the Saskatoon berry mixture to the mug, then spoon the crisp topping mixture over the top.
*You'll need to press down on the Saskatoon mixture with a spatula to compress it a little and ensure it fits in the mug with the topping.

Microwave for 2 minutes and 30 seconds to 2 minutes and 40 seconds. (*If you like your berries softer/more cooked, then put them back in at 10-15 second intervals until it is cooked to your liking.)
The whole thing will reduce in size. Cooking time is based on my 1200W microwave, so your timing might vary.
*Carefully remove from the microwave (I use an oven mitt) and let stand on a trivet until cool enough to eat. Be careful because it's going to be really hot at first!

Enjoy warm or cool with an additional dollop of whipped cream and a sprinkle of cinnamon, more berries, and lemon zest, if desired. Or you could serve it with a scoop of vanilla ice cream or frozen yogurt.
Expert Recipe Tips
- Microwave wattage matters. Cooking times are based on a 1200W microwave, so if yours has a lower wattage, you’ll likely need to add extra time in 10–15 second increments.
- Layer and pack the filling carefully. Lightly pressing the filling down before adding the topping helps it fit better in the mug and cook more evenly.
- Use fully thawed and drained berries for best texture. Thawed berries can release excess moisture, so draining them helps prevent a runny filling.
- If the topping isn't crisp enough, finish it off. You can microwave it a little longer or even pop it under a broiler or toaster oven briefly for a crispier texture.
- Let it rest before eating. This gives the dessert time to cool slightly and the filling time to thicken for the best eating experience.
- Add extra topping for a heartier crisp. If you love a generous crisp topping, doubling it works well—just be sure your mug has enough space.
🥗 Summer Meals to serve with Saskatoon Berry Crisp in a Mug
This Saskatoon Berry Crisp pairs well with so many summer meals. I like to have it for dessert after a salad such as this Easy Japanese Cold Noodle Salad (shown), Grilled Chicken Caesar Salad or a BBQ meal like this BBQ Beer Can Chicken!

🍽Equipment
You will need a 16 oz microwave-safe mug for this recipe. If you only want to make 1 serving, you will need an 8 oz mug.
🌡️Storage
Store Saskatoon berry crisp in the fridge in an airtight container for up to 4 days. You can store it in the mug in the fridge, covered in plastic wrap or Glad Press n' Seal, if you’re just storing it overnight.

👪 Serving Size
This recipe makes 2 servings. However, you can half, double, or triple the recipe by clicking on the serving number and selecting the number of servings you'd like. The ingredient quantities will automatically adjust.
🔢WW Points
This recipe is 9 WW points per serving (8 oz). You can further reduce the points by using light butter. You could also use a sugar substitute like monk fruit. If you use monk fruit instead of sugar, you only need to use half the amount.
❔ Recipe FAQs
Yes, if you’d like to make more than two servings, use a larger microwave-safe bowl (at least 32 oz) and increase the cook time slightly, checking at 15-second intervals after 2 minutes and 40 seconds.
If your crisp turns out watery, it could be because the frozen berries weren’t fully thawed before measuring, or excess liquid wasn’t drained. Also, make sure to use the correct amount of cornstarch and let the crisp stand a few minutes after cooking so it can thicken slightly.
Can I make this ahead of time?
Microwave textures won’t be as crisp as oven-baked ones, but you can microwave it a bit longer (in 10-second intervals) or finish it under a toaster oven or broiler for a crisper top, if desired.
If you are looking for healthy Saskatoon berry recipes or a Saskatoon crisp recipe that you can make in a flash and/or don’t want to heat up your house or make a large portion, you’ll love this recipe!
📋More Saskatoon Berry Recipes
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📋 Saskatoon Berry Crisp (in a mug)
Ingredients
Topping
- 4 tablespoon quick oats
- 2 tablespoon all purpose flour
- 1 tablespoon brown sugar
- 1 teaspoon cinnamon
- 2 tablespoon unsalted butter melted
Filling
- 2 cups Saskatoon berries
- ½ tablespoon brown sugar
- ½ teaspoon lemon zest
- 1 teaspoon cinnamon
- ½ teaspoon almond extract
- 4 tablespoon light whipped cream * I use spray whipped cream
- 2 tablespoon water
- ¾ teaspoon cornstarch
Instructions
- Prep: Spray a microwave safe mug with non-stick cooking spray
- In a small bowl stir in the rolled oats, flour, 1 tablespoon brown sugar and 1 teaspoon cinnamon. Stir in the melted butter to create the crisp topping.
- Toss Saskatoons with ½ tablespoon of the brown sugar, and 1 teaspoon cinnamon, almond extract, water, cornstarch, water and 2 whipped cream. *you can do this in a separate bowl or right in the mug.
- Add the Saskatoon mixture to the mug, then spoon the crisp mixture over the top. *You'll need to press down on the Saskatoon mixture with a spatula to compress it a little and ensure it fits in the mug.
- Microwave for 2 minutes and 30 to 2 minutes and 40 seconds. The whole thing will reduce in size. (*if you like your berries softer/more cooked, then put it back in at 10-15 second intervals until it is cooked to your liking).Cooking time is based on my 1200W microwave so your timing might vary. *Carefully remove from the microwave (I use an oven mitt) and let stand on a trivet until cool enough to eat. Be careful because it's going to be really hot at first!
- Enjoy warm or cold with additional dollop of whipped cream and a sprinkle of cinnamon, berries and lemon zest, if desired.
Notes
-
- Microwave wattage matters. Cooking times are based on a 1200W microwave, so if yours has a lower wattage, you’ll likely need to add extra time in 10–15 second increments.
-
- Layer and pack the filling carefully. Lightly pressing the filling down before adding the topping helps it fit better in the mug and cook more evenly.
-
- Use fully thawed and drained berries for best texture. Thawed berries can release excess moisture, so draining them helps prevent a runny filling.
-
- If the topping isn't crisp enough, finish it off. You can microwave it a little longer or even pop it under a broiler or toaster oven briefly for a crispier texture.
-
- Let it rest before eating. This gives the dessert time to cool slightly and the filling time to thicken for the best eating experience.
-
- Add extra topping for a heartier crisp. If you love a generous crisp topping, doubling it works well—just be sure your mug has enough space.
Terri Gilson
This Microwave Saskatoon Berry Crisp is a total gem for those of us who love a quick dessert fix. I love how it lets me enjoy the fleeting Saskatoon berry season without committing to a full-sized crisp.
The fact that I can whip this up in just 7 minutes without heating up my kitchen is a huge bonus, especially on those hot summer days when the berries are at their peak.