Japanese Miso Ramen Soup

Ingredients for 5-6 servings:

2 cloves garlic
1 inch ginger
1 shallot
2 tablespoons roasted white sesame seeds
1 tablespoon sesame oil
250gr minced chicken (or minced pork)
1 teaspoon hoisin sauce
3 tablespoons miso
1 teaspoon sugar
1 tablespoon sake
1 litre chicken stock
1 teaspoon salt
¼ teaspoon white pepper powder
200gr ramen noodles
Toppings: watercress, sweet corn, alpha alpha cress, chopped scallion, quail eggs cut in halves, a shredded sheet of nori, clamshell or oyster mushrooms