Soba Noodle Soup with Miso and Veggies

Name: Soba Noodle Soup with Miso and Veggies
Ingredients: 1 bunch Scallion, white and light green parts thinly sliced, green stalks reserved; 1 bunch Baby bok choy, thinly sliced (or any desired green such as spinach, chard or cabbage); 2 Cloves Garlic, smashed; 2 Inches Ginger, peeled and sliced in 1/4 inch rounds; 6 Inch piece of Lemongrass, cut vertically and sliced; 2-3 Carrots, thinly sliced; 1 Package Enoki mushrooms, roots removed and chopped in half; 1/2 teaspoon Instant Dashi (such as HON Dashi) (optional); 1/4 cup Shiro (white) miso paste; 1 tablespoon Soy sauce; 8 ounces Tofu, extra-firm, cubed; 1 Bundle dried Soba Noodles (approx 3.25 ounces)