Step 1

Preheat oven to 350 degrees F. Lightly spray a 9x13-inch baking dish with cooking spray.  Set aside.

Step 2

In a bowl, mix together half of the soup mix with the beef, bread crumbs, egg, salt, and pepper.

Step 3

Shape into 6 oval patties.

Step 4

Brown patties on both sides in a skillet over medium-high heat.  Set patties aside.  Pour off and discard any excess fat.

Step 5

In the same pan, mix the remaining soup mix together with the ketchup, mustard, water, and Worcestershire sauce.  Add the butter and whisk until melted and smooth.

Step 6

Reduce the heat to low and whisk in the heavy cream.

Step 7

Spread the hash browns over the bottom of the baking dish. Top with the chopped onion. Arrange the browned meat patties over the potatoes.

Step 8

Pour sauce over the patties.

Step 9

Bake for 30-40 minutes until the potatoes are golden and the sauce is bubbly.  Serve immediately.