Cakespy: Thanksgiving Cake Made of Real Turkey! And Leftovers

1 cup quick-cooking oats

1/2 cup white cheddar cheese, grated

1/3 cup ketchup

1/3 cup finely chopped onion

1/4 cup finely chopped Italian parsley

3 tablespoons soy sauce

1 1/2 teaspoons minced fresh thyme leaves

1/2 teaspoon freshly ground black pepper

2 medium garlic cloves, minced

Kosher salt

For the filling and topping:

5 cups mashed potatoes (recipe of your choice)

1 cup sauteed green beans

1/2 cup prepared fried onions (such as French's)

2 cups stuffing (recipe of your choice)

1/2 cup whole berry cranberry sauce, drained of excess liquid

1 pound mashed sweet potatoes

1 1/2 cups mini marshmallows

Gravy, for serving