Step 1
Preheat oven to 400 degrees F (200 degrees C). Butter 2 baking sheets.
Step 2
Spread challah bread cubes onto prepared baking sheets. Drizzle cubes with 2 tablespoons olive oil and season with salt and pepper.
Step 3
Bake bread in the preheated oven until toasted and lightly browned 5 to 7 minutes. Transfer toasted cubes to a large bowl.
Step 4
Reduce oven temperature to 350 degrees F (175 degrees C). Butter a baking dish with 2 tablespoons unsalted butter.
Step 5
Cut corn kernels from the cob into a large bowl. Scrape corn juices from the cob into the bowl with the kernels.
Step 6
Heat 2 teaspoons olive oil in large skillet over medium heat. Cook and stir onion and garlic in hot oil until soft 5 to 10 minutes. Add corn pinch salt and pinch pepper; cook and stir until corn softens about 2 minutes.
Step 7
Stir corn mixture together with toasted bread cubes.
Step 8
Whisk cream vegetable stock Parmesan cheese eggs 2 tablespoons parsley pinch salt and pinch pepper together in a bowl. Pour cream mixture into bread mixture and stir until completely combined. Transfer bread mixture to the prepared baking dish.
Step 9
Bake stuffing in the preheated oven until stuffing is cooked through and the top is toasted 20 to 25 minutes.
Step 9
Melt 2 tablespoons butter in a small skillet over medium heat. Cook whole sage leaves in hot butter until butter is slightly brown and sage leaves are crispy 1 to 2 minutes. Transfer leaves to a paper towel to drain. Crumble sage leaves and remaining 2 tablespoons parsley over stuffing.