Microwave French Onion Soup - Master recipes

Ingredients

• 3 cups boiling water -
• 1 can (14-1/2 ounces) beef or vegetable broth -
• 3 tablespoons butter -
• 1 vegetable bouillon cube -
• 1 teaspoon Worcestershire sauce -
• 1/8 teaspoon salt -
• 1/8 teaspoon pepper -
• 3 cups thinly sliced onions -
• 2 cups seasoned croutons -
• 1-1/3 cups shredded part-skim mozzarella cheese -