Korean Chap Chae with Bulogi

Name: Korean Chap Chae with Bulogi
Ingredients: 1 lb rib eye beef sliced into 1/2 inch strips; 1/2 c soy sauce; 1 Tbsp sesame oil; 4 clove garlic minced; 6 Tbsp brown sugar; 3 green onions white part only; 1 Tbsp sesame seeds; 1/2 c water; 3 1/2 oz cellophane or glass noodles; 8 pkg shiitake mushroom stemmed and sliced; 1 1/2 c carrots julienned; 1 medium onion sliced; 2 c baby spinach fresh; 2 clove garlic minced; 3 green onion green parts sliced into 1 inch pieces; 2 Tbsp sesame oil; 2 Tbsp soy sauce