Neelys Egg Benedict on a Pork Croquette

Name: Neelys Egg Benedict on a Pork Croquette
Ingredients: 1 pound pork sausage (recommended: Country sausage); Oil, if needed; 3 baked potatoes; 1/4 cup freshly grated Parmesan; 1 egg, lightly beaten; 1/4 cup sour cream; 1 1/4 cups panko bread crumbs; Salt and freshly ground black pepper; 1 tablespoon freshly chopped parsley leaves; Vegetable oil, for pan-frying; *3 egg yolks; 2 tablespoons heavy cream; 1 1/2 teaspoons Dijon mustard; 2 sticks butter, melted; 1/2 lemon, juiced; 1/4 teaspoon cayenne pepper; Pinch salt and freshly ground black pepper; Dash hot sauce; 2 tablespoons chopped chives; 6 large eggs; 1 (5-ounce) bag baby spinach