Anne Sawyer · Grandma Neena’s Potato Chip Tuna Casserole

Ingredients

• 1 bag potato chips
• 1 cup white sauce (see below)
• 1 tsp dried mustard
• Salt and pepper to taste
• Juice of medium onion (Halve a yellow onion, and scrape with knife to get juice.)
• 1/2 cup shredded cheddar cheese
• 1 can cream of mushroom soup
• 1 1/2 5 ounce cans tuna, drained