Red Miso Udon with Onsen Tomago

Name: Red Miso Udon with Onsen Tomago
Ingredients: 1 cup boiling water; 2 dried shitake mushrooms; 4 cups water; 4 teaspoons dashi granules; 4 tablespoons red miso; 400 grams fresh udon noodles; 2 soft poached eggs; 8 pieces slices of Chinese BBQ Pork; 1 bunch baby bok choy, halved; 1 scallion, thinly sliced; 3 teaspoons wakame or dried seaweed; furikake for optional garnish