01 - Combine peaches, sugar, lemon juice, and cinnamon in a saucepan over medium heat. Cook for 4–5 minutes, stirring occasionally, until peaches soften and release juices.
02 - Whisk cornstarch and water in a small bowl to form a slurry. Stir into peaches and cook 1–2 minutes until thickened. Remove from heat and cool completely.
03 - Beat cream cheese, powdered sugar, and vanilla in a large bowl until smooth and creamy.
04 - In a separate bowl, whip cold heavy cream to stiff peaks using an electric mixer or whisk.
05 - Gently fold whipped cream into cream cheese mixture until fully incorporated and fluffy. Refrigerate until ready to use.
06 - Mix graham cracker crumbs with melted butter in a small bowl until texture resembles wet sand.
07 - Layer cheesecake filling and peach cobbler into each cone. Top with graham cracker crumble and whipped cream. Serve immediately or refrigerate up to 1 hour.