I made this recipe prior to surgery then froze it in ice cube trays, popped it out and stored the stock cubes in Ziploc bags. It really is very good. It was only afterward that I thought about the Knorrs - and in my opinion, the Knorrs is just as tasty as homemade. But if you just like to cook, or you're trying to stay away from processed foods, here's another recipe for you to try from Taste Of Home Heartwarming Soups - December, 2009 issue.
Homemade Vegetable broth
2 T. olive oil
2 medium onions
2 celery ribs, cut into 1 inch pieces
1 whole garlic bulb, separated and peeled
3 medium leeks, white and light green parts, cleaned and cut into 1 inch pieces
3 medium carrots, cut into 1 inch pieces
8 cups Water
1/2 lb. fresh mushrooms, quartered
1 c. packed fresh parsley
4 sprigs thyme
1 tsp. salt
1/2 tsp whole peppercorns
1 bay leaf
Heat oil in a stockpot over medium heat until hot. Add the onions, celery and garlic. Cook and stir for 5 minutes or until tender. Add leeks and carrots; cook and stir 5 minutes longer. Add the water, mushrooms, parsley, thyme, salt, peppercorns, and bay leaf; bring to a boil. Reduce heat; simmer, uncovered, for 1 hour.
Remove from the heat. Strain through a cheesecloth-lined colander; discard vegetables.
Broth can be covered can be refrigerated up to 3 days or frozen for up to 4 to 6 months
Yield 5 1/2 cups