Where can I get ideas for high-calorie sandwich fillings?

* Peanut butter and jelly: A classic childhood favorite that is high in calories, protein, and fiber.

* Grilled cheese: Another classic that is made with calorie-rich ingredients like cheese and butter. You can add other high-calorie ingredients like bacon or avocado to make it even more filling.

* Reuben: This deli sandwich is made with corned beef, Swiss cheese, sauerkraut, and Thousand Island dressing. It is high in calories, fat, and protein.

* BLT: This classic sandwich is made with bacon, lettuce, and tomato. It is a good source of calories, fat, and protein.

* Monte Cristo: This sandwich is similar to a French toast, made with ham and Swiss cheese, dipped in egg batter, and fried. It is high in calories, fat, and protein.

* Philly cheesesteak: This sandwich is made with thinly sliced steak, cheese, and onions. It is high in calories, fat, and protein.

* Cubano: This sandwich is made with ham, roast pork, Swiss cheese, and pickles. It is high in calories, fat, and protein.

* Loaded potato sandwich: This sandwich is made with mashed potatoes, cheese, bacon, and chives. It is a good source of calories, fat, and protein.

* Chicken parmesan sandwich: This sandwich is made with fried chicken, marinara sauce, and Parmesan cheese. It is a good source of calories, fat, and protein.

* Italian sub: This sandwich is made with ham, salami, pepperoni, provolone cheese, lettuce, tomato, and onions. It is high in calories, fat, and protein.