Blackberry and Blueberry Sauce

• 1/2 cup sugar
• 1 tablespoon fresh lemon juice
• 2 pints fresh blueberries
• 2 containers (6 ounces each) fresh blackberries
• 1 teaspoon cornstarch

1. In a medium saucepan set over medium heat, stir together the sugar, lemon juice, and half the blueberries and blackberries.
2. Bring just to a boil.
3. Reduce heat to low, and simmer until the blueberries burst and release their juices, about 3 minutes.
4. In a small bowl, dissolve the cornstarch in 1 teaspoon cold water.
5. Stir into the sauce.
6. Simmer, stirring, about 1 minute more, until the sauce thickens slightly.
7. Remove from the heat; stir in the remaining berries.
8. Transfer the sauce to a serving bowl.
9. Chill until cold; stir before serving with the pie.

sugar, lemon juice, blueberries, containers, cornstarch

Taken from www.epicurious.com/recipes/food/views/blackberry-and-blueberry-sauce-393013 (may not work)