Monastery Lentils

Ingredients

• 1/4 cup olive oil
• 2 large onions, chopped
• 1 carrot, chopped
• 1/2 teaspoon dried thyme (or more)
• 1/2 teaspoon dried marjoram (or more)
• 3 cups beef stock (or vegetarian stock) or 3 cups chicken stock (or vegetarian stock)
• 1 cup dry lentils, washed and sorted
• salt
• 1/4 cup chopped fresh parsley (optional)
• 1 lb canned tomato
• 1/4 cup dry sherry
• cheddar cheese or swiss cheese, to top