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Hamburger Steak Skillet Casserole

Hamburger Steak Skillet Casserole consists of a hearty ground beef mixture in a thick gravy with diced tomatoes covered with a layer of white cheddar mashed potatoes. It tastes like a southern hamburger steak or salisbury steak except in casserole form. It’s like a southern version of Shepherd’s Pie and it is so good.

Hamburger Steak Skillet Casserole

One Pan Meal

This Hamburger Steak Skillet Casserole feeds at least 6 people and it reheats well. It’s so hearty and comforting. Perfect for a cold winter night and I love that everything is made in one pan.

Kitchen Tools Needed

You’ll want to use etiher a 12-inch cast iron pan or a 12-inch oven-safe pan to make this recipe.

How To Make Hamburger Steak Skillet Casserole

You’ll begin by browning 2 pounds of lean ground beef, a cup of chopped onion, and 2 (8-ounce) packages of cremini mushrooms that have been quartered. If you’re not a fan of mushrooms, just leave them out. You could add a little diced green bell pepper.

Hamburger Steak Skillet Casserole

Next you’ll add garlic, salt, pepper, and dried thyme for seasoning. One quarter cup of flour gets added. It will help thicken the gravy.

Next add a can of diced tomatoes, a can of condensed French onion soup, a cup of beef broth, a tablespoon of red wine vinegar, parsley, and garlic powder. Let this mixture simmer 10 minutes. If needed, you can stop at this point and refrigerate the beef mixture overnight and proceed with the recipe the next day.

Next, boil some peeled and chopped Yukon Gold potatoes until soft. Mash them with butter, milk, and shredded white cheddar cheese. Spread the mashed potatoes on top of the ground beef mixture and broil for 3 to 5 minutes to get everything hot.

Recipe Notes

  • Leave the mushrooms out if you don’t like them or try using a cup of thawed frozen mixed veggies in their place.
  • If you want to spice this casserole up some, add half a teaspoon of crushed red pepper flakes.
  • Fresh thyme can be used in place of dried thyme. Use about 1 to 2 teaspoons. Or use rosemary in place of thyme.

How To Serve

This is a hearty and deliciously rich meal that’s best served with a green salad and maybe some Yeast Rolls. Also goes great with a side of green peas, Southern-Style Green Beans or Cracker Barrel Baby Limas.

How To Store

Leftovers will keep in an airtight container in the refrigerator for 4 days and can be reheated in a microwave.

Hamburger Steak Skillet Casserole

More Comfort Food Dinners

Watch the short video below to see how to make this recipe.

Hamburger Steak Skillet Casserole

Hamburger Steak Skillet Casserole

Hamburger Steak Skillet Casserole consists of a hearty ground beef mixture in a thick gravy with diced tomatoes covered with a layer of white cheddar mashed potatoes.
PREP: 10 minutes
COOK: 25 minutes
TOTAL: 35 minutes


  • 1 tablespoon olive or vegetable oil
  • 2 pounds lean ground beef
  • 1 cup chopped yellow onion
  • 2 (8-ounce) packages cremini mushrooms, quartered
  • 3 garlic cloves, minced
  • 1 teaspoon salt
  • 1/2 teaspoon black pepper
  • 1/2 teaspoon dried thyme
  • 1/4 cup all-purpose flour
  • 1 (14.5-ounce) can diced tomatoes, undrained
  • 1 (10.5-ounce) can condensed French onion soup
  • 1 cup beef broth
  • 1 tablespoon chopped fresh parsley
  • 1 tablespoon red wine vinegar
  • 1/4 teaspoon garlic powder
  • 3 pounds Yukon Gold potatoes
  • 4 tablespoons butter, softened
  • 1 cup milk, warmed
  • 1 1/2 cups shredded sharp white cheddar cheese
  • salt and pepper


  • Heat oil in a 12-inch cast iron pan over medium-high heat. Add ground beef, onion, and mushrooms. Break ground beef apart as it cooks and cook until beef is browned and onion and mushrooms are soft, about 5 minutes.
  • Add garlic, salt, pepper, and thyme and cook 1 minute.
  • Stir flour into mixture and cook 1 minute.
  • Stir in tomatoes, condensed French onion soup, beef broth, parsley, vinegar, and garlic powder.
  • Simmer for 10 minutes, stirring occasionally.
  • Meanwhile, peel potatoes and cut into 1 1/2-inch chunks. Place in a pot and cover with water. Add salt to the water ( a few teaspoons) and bring to a boil. Simmer until potatoes are soft.
  • Drain potatoes. add butter, milk, and cheese. Mash with a potato masher until smooth. Season to taste with salt and pepper.
  • Spread potatoes on top of beef mixture. Transfer pan to oven and broil for about 3 to 5 minutes.
Course: Main Dish
Cuisine: Southern

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Recipe adapted from Cast Iron Cooking Magazine

Hamburger Steak Skillet Casserole

Originally posted January 5, 2019.

Disclosure: This post contains affiliate links.

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10 thoughts on “Hamburger Steak Skillet Casserole”

  1. Very tasty, yummy all in one skillet, gotta love that. For my purposes, used roasted garlic, roasted tomato, no condensed onion soup mix, instead used a dry version from Pinterest, no salt, no preservatives, chemicals, this is what I use to make onion soup(still very delish) low salt broth, everything else worked for me. Keeper, thanks for sharing, Fan & follower.

  2. Fixed this for my staff for our friday pot luck, they liked it SO MUCH they requested it again for the very next week!!! It’s wonderful just the way it is!!!!! But, for the second time, we tried it without the mashed potatoes and poured it over crispy French fries, just to make it a tad bit different since it was 2 weeks in a row! That’s today’s lunch we’ll see how they like it!

  3. It’s a pretty decent recipe, except I did not use a cast iron skillet. You don’t put Tomatoes or vinegar in a cast iron skillet. It causes an off taste to the food. Please don’t use cast iron for this recipe.. use a different sort of skillet.

  4. This was truly outstanding! It has such a beefy flavor and a thick gravy. My wife and I are low carb so the only change we made was to use mashed cauliflower with lots of cheese, chives, and sour cream. I know that is no comparison to mashed potatoes, but it kept the dish low carb.

  5. This is an awesome dish. Family loved it. I would like to say I could not find any condensed french onion soup so I bought a packet and made my own with the leftover beef broth.

  6. This is incredibly similar to Shepherd’s Pie with added flavors. And if either a cast iron skillet or oven-safe pan can be used, why then is the term skillet in the title?

    It also appears multi-tasking beef browning and the cooking of potatoes can be achieved simultaneously. In my experience and opinion, baking potatoes for mashing yields an improved textured flavor without boiling out nutrients. I do understand the heat impacts from the oven, but if oven is to be used to bake and inevitably brown potatoes under broiler similar to a meringue, baking potatoes is a viable alternative.

  7. Václav Kopáček

    Hallo madam, tank you for all recipes. Happy new rock ( year ) 2019. Václav Kopáček

  8. If at all possible, please post nutrition ingredients. My 5 year old granddaughter has type 1 diabetes and I have to know how many carbs before she can eat. Thank you so much.

    1. Christin
      Christin Mahrlig

      There are may apps that can easily provide nutritional information for you. For accuracy, It is best that you do it yourself. Different brands of foods can vary tremendously in salt, sugar, and fat content.

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