Slow-Cooker Japanese Pork and Ramen Soup | America's Test Kitchen

Ingredients

• 2 onions , chopped fine
• 6 garlic cloves , minced
• 2 tablespoons grated fresh ginger
• 2 tablespoons vegetable oil
• 8 cups chicken broth
• 12 ounces shiitake mushroom , stemmed and sliced thin
• 1½ pounds boneless country-style pork spare rib , trimmed
• Salt and pepper
• 2 (3-ounce) packages ramen noodles , broken into 1-inch pieces, seasoning packets discarded
• 6 ounces (6 cups) baby spinach
• 2 tablespoons white miso
• 1 tablespoon soy sauce , plus extra for seasoning
• 1 tablespoon mirin
• 1 teaspoon toasted sesame oil
• 2 scallions , sliced thin
• 1 tablespoon sesame seeds , toasted