Tuna Potato Tureen Recipe

• 1 (5 1/2 ounce.) pkg. scalloped potato mix
• 5 c. boiling water
• 1 (1 lb.) can stewed tomatoes
• 1 (9 1/2 ounce.) can Chicken of the Sea light tuna, undrained
• 1 tbsp. instant chopped onion, or possibly fresh grated
• 1/2 teaspoon celery salt
• 1/2 teaspoon pepper
• Garlic flavored croutons (opt.)

Directions