Step 1

Preheat oven to 325.

Step 2

Take two long sheets of aluminum foil, lay them on top of each other and fold al the way across the long side, then repeat. Open the sheets- you should have "one" very large and wide sheet.

Step 3

Scoop out one can of soup, top with half the soup mix.

Step 4

Place brisket, fat side up, on top of the soup mixture. Add remaining cans of soup and onion mix on top of the meat, stir together (does not have to be completely or evenly mixed).

Step 5

Bring the sides of the foil up and fold together.

Step 6

Place foil pouch inside a large lidded pot. Cook in preheated oven for 3 hours. Serve with mashed potatoes.