Step 1
Preheat the oven to 350 degrees F (175 degrees C). Coat a 9x9-inch baking dish with cooking spray.
Step 2
Pulse flour brown sugar butter peach spice and salt together in a food processor until the mixture resembles pea-sized crumbs. Press mixture into the bottom of the prepared baking dish.
Step 3
Bake crust in the preheated oven until golden and set about 15 minutes.
Step 4
While crust is baking heat a saucepan over medium heat. Pour reserved peach juice into the saucepan; stir in sugar cornstarch and peach spice until smooth. Bring to a boil; cook and stir until thickened about 2 minutes. Remove from heat; stir in canned and frozen peaches.
Step 5
Remove crust from the oven and let cool for 5 minutes. Pour peach mixture into the crust.
Step 6
Bake in the preheated oven until bubbling about 20 minutes.
Step 7
Meanwhile combine cinnamon rolls together to form a square pastry disc. Roll out disc with a rolling pin on a lightly floured work surface. Cut into thin strips using a pizza cutter. Weave strips together to create a lattice topping.
Step 8
Remove the baking dish from the oven; lay lattice over the peaches. Increase oven temperature to 375 degrees F (190 degrees C).
Step 9
Bake cobbler in the preheated oven until golden brown about 12 minutes. Drizzle the included cinnamon roll icing over the lattice crust. Serve warm.