Spicy Spam Hash with Chili Crisp and Scallions

Name: Spicy Spam Hash with Chili Crisp and Scallions
Ingredients: Nonstick cooking spray; 6 ounces less-sodium Spam (about half of a standard-size can); 6 ounces bagged frozen shredded hash browns (about 2 cups), thawed; 1 cup shredded mozzarella; 1 1/2 tablespoons oil from jar of chili crisp, plus additional (with the crispy bits) for drizzling (see Cook’s Note); 1/2 teaspoon granulated garlic; 1/2 teaspoon onion powder; 1 large egg white; Kewpie mayonnaise (Japanese-style mayonnaise), for drizzling; Thinly sliced scallions, for sprinkling; Fried eggs, optional, for serving