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This blueberry sauce comes together in about 15 minutes with a handful of pantry staples and fresh or frozen blueberries. Spoon it over pancakes, cheesecake, ice cream, yogurt, or anything else that could use a little blueberry goodness.

This sauce is especially good drizzled over my Sourdough Waffles or served with Blueberry Cheesecake Bars. Make a batch ahead of time, and you’ll have an easy topping ready whenever you need it.
Here’s Why This Blueberry Sauce Recipe Works
Blueberries are the star: With just a handful of ingredients, the blueberry flavor stays front and center instead of getting buried under too much sugar or spice.
Lemon brightens the flavor: A little lemon juice keeps the blueberry flavor from tasting flat, while the zest adds another layer of citrus flavor without watering down the sauce.
Cornstarch thickens it quickly: A small amount of cornstarch gives the sauce a smooth consistency that clings nicely to pancakes, cheesecake, and ice cream. The sauce will continue to thicken as it cools, so take it off the heat while it’s still slightly loose.
Ready in about 15 minutes: This sauce cooks quickly, making it easy to throw together for breakfast, dessert, or whenever you need a quick fruit topping.

Ingredient Notes
Blueberries: Fresh or frozen blueberries both work. If using frozen berries, do not thaw them first. They will release liquid as they heat.
Sugar: Granulated sugar sweetens the sauce without covering up the berries. Start with the amount in the recipe, then adjust after the blueberries soften if your berries are especially tart.
Lemon juice and zest: Fresh lemon juice brightens the sauce, and the zest adds a little extra citrus flavor without more liquid.
Cornstarch: Mix it with cold water before adding it to the pan so it thickens smoothly instead of clumping.

Recipe Tips
Stir gently: Once the berries soften, stir often but do not mash everything flat. A few whole berries give the sauce better texture.
Simmer after adding the slurry: Cornstarch needs a brief simmer to fully thicken and lose its raw taste.
Remember it thickens as it cools: Pull the sauce from the heat when it is slightly looser than you want for serving.
Adjust the sweetness at the end: Blueberries vary a lot. Taste after the sauce thickens, then add a little more sugar if needed.

How to Use Blueberry Sauce
Spoon it over sourdough pancakes, waffles, French toast, yogurt, New York cheesecake, vanilla ice cream, pound cake, or oatmeal. For a dessert board, serve it chilled next to lemon curd, whipped cream, and shortbread cookies.

Homemade Blueberry Sauce
This sauce is simple, but it earns its keep. It gives you a bright berry topping in about 15 minutes, and it works just as well with a bag of frozen berries as it does with fresh summer blueberries.
If you’re looking for a thinner topping, try our Blueberry Lemon Syrup. It pours easily over pancakes, waffles, and French toast.
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Blueberry Sauce
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Ingredients
- ½ cup granulated sugar, plus more to taste if needed
- 5 teaspoons cornstarch
- 3 cups blueberries, fresh or frozen
- ½ cup water
- 2 tablespoons fresh lemon juice
- 1 teaspoon lemon zest
- ⅛ teaspoon salt
Instructions
- In a medium saucepan, whisk together the sugar and cornstarch until well combined.

- Add the blueberries, water, lemon juice, lemon zest, and salt. Stir to coat the berries.

- Set the pan over medium heat and cook, stirring frequently, until the berries release their juices and the mixture comes to a gentle simmer. Continue cooking until the sauce is thick, glossy, and the berries have softened, about 6 to 8 minutes.

- Remove from the heat. Serve warm, or let cool completely and refrigerate until ready to use.
Notes
Nutrition
Nutrition information is automatically calculated, so should only be used as an approximation.
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