Step 1

In a large saucepot, place the frozen vegetables. Cover with water and place over medium-high heat until they just come to a boil. Drain veggies and set aside.

Step 2

In the same saucepot, combine the French onion soup, dry gravy mix, and Italian seasoning. Stir well and place over medium-high heat, stirring often, until just heated through. Remove from the heat and stir in the cooked ground beef and drained vegetables.

Step 3

In a large bowl, combine the mashed potatoes, sour cream, and 1 cup of cheese. Stir well to combine.

Step 4

Pour the ground beef filling into the bottom of an 8x8 baking dish. Top with mashed potatoes and spread to cover. Top with remaining cheddar cheese.

Step 5

Bake, uncovered, at 350 for 30 minutes.