Mason jar. Check. Ingredients for Ramen. Check. Add hot broth at work and you've got lunch.
Add 1-1/2 teaspoons beef concentrate, 2 tablespoons kimchi, 1 teaspoon miso paste and 2 drops sesame oil to each of four 1-quart Mason canning jars. To each jar, add 3 ounces (1/2 cup) cooked beef steak, 1/2 cup spinach leaves, 1/4 cup carrot, quarter of mushroom slices and 2 tablespoons green onion. Add half of each package of ramen noodles to each jar, discarding flavor packets. Close jars. Refrigerate at least 1 hour.
To serve, remove lid and carefully add 2-1/2 cups boiling water to each jar. Close jar tightly and let stand 5 minutes, shaking occasionally. Serve with toppings, if desired.