Blueberry Lemon Icebox Cake

Bahan-bahan (10 porsi)

• 2 teaspoons (6g) cornstarch
• 2 teaspoons fresh lemon juice
• 1 Tablespoon (15ml) warm water
• 2 cups (280g) fresh or frozen blueberries
• 2 Tablespoons (25g) granulated sugar
• 1 teaspoon lemon zest
• 2 cups (480ml) heavy cream or heavy whipping cream
• 1/4 cup (30g) confectioners’ sugar
• 1 Tablespoon fresh lemon juice
• 1 teaspoon lemon zest
• 7 -8 full-sheet graham crackers (about 1 standard sleeve)
• optional: additional lemon zest and blueberries for garnish