Ingredient:

• 1 tablespoon olive oil
• 1 pound cubed lamb stew meat
• 1 large onion, sliced into petals
• 1 pound red potatoes, cut into large cubes
• 2 large carrots, sliced
• 2 stalks celery, sliced
• 4 fresh button mushrooms, sliced
• 2 cups beef broth
• 1 (6 ounce) can tomato paste
• ½ cup beer
• 3 tablespoons Worcestershire sauce
• 1 large sprig fresh rosemary
• salt and pepper to taste
• 1 ½ cups frozen peas