In a medium saucepan stir together the water and bouillon granules. Bring to boiling. Stir in the mushrooms, uncooked rice, carrot, snipped or dried marjoram, and pepper. Return to boiling; reduce heat. Simmer, covered, for 12 minutes.
Remove from heat. Let stand, covered, for 5 minutes. Add the green onions and parsley; toss lightly with a fork. If desired, garnish with additional fresh marjoram. Makes 4 side-dish servings.