Blueberry Sauce Topping

Bahan-bahan (1 porsi)

• 1/3 cup (80ml) warm water
• 1 Tablespoon (15ml) fresh lemon juice
• 1 and 1/2 teaspoons cornstarch
• 2 cups (1 pint; 280g) fresh or frozen blueberries (if using frozen, do not thaw)
• 2 Tablespoons (25g) granulated sugar
• 1/2 teaspoon pure vanilla extract