Ramen with Charred Pork

Name: Ramen with Charred Pork
Ingredients: 6 cups low-sodium chicken broth; 6 thick slices fresh ginger, plus 2 teaspoons minced; 4 cloves garlic (3 smashed, 1 minced); 2 scallions, cut into thirds, plus sliced scallions for topping; 3/4 cup dried shiitake mushrooms; 1 tablespoon low-sodium soy sauce; 1 tablespoon Shaoxing rice wine or dry sherry; Kosher salt and freshly ground pepper; 3 tablespoons hoisin sauce; 1 teaspoon toasted sesame oil; 4 boneless pork chops (1/2 inch thick; about 4 ounces each); 2 large eggs; 1 1/2 pounds fresh ramen noodles; 1 5-ounce package baby spinach; Shichimi togarashi (Japanese spice mix), for topping