Mama's Leftover Steak Sublime

READY IN: 12mins
Recipe by KookieMomster

This is such a nice way to reheat a steak. I wouldn't do it if the steak was originally cooked past medium, as it will become tough. If you do this correctly the meat will be falling off the bone and tender--isn't that better than the microwave?

Top Review by Denise in da Kitchen

This is amazing! DH had overestimated how many would be home for dinner, so he grilled 2 large London Broils and of course we had lots of left-overs. Since we like our steaks on the rare side, reheating is usually a tricky process (They NEVER taste as good). I sliced 2 onions and cooked them in a butter/oil combo in my cast iron skillet. I heated the steak slices on top of the onions, flipped the steak only, heated the other side, then removed them. Since there was also a lot of au jus left over, I then added that to the onions in the (by now) screaming hot pan. It immediately bubbled up and cooked with the onions to make the most delicious topping for the steak! I served this with previously frozen left-over mashed potatoes and a peas and carrots combo. This meal took about 15 minutes to make and my DH is still talking about it! The steak was just as tender and even more flavorful than the first time we cooked it! Thanks KookieMomster for sharing this great way to reheat steak!

Ingredients Nutrition

  • 1 left over steak (no more than medium doneness)
  • 14 cup freshly diced onion
  • 1 tablespoon butter or 1 tablespoon oil


  1. Melt butter in pan just large enough for steak to fit inches.
  2. I recommend cast iron.
  3. Sweat onions until translucent, and pan is very hot.
  4. Set steak on top of onions and sear, mind that the onions don't burn.
  5. Flip steak to heat through until onions are browned and sweet.
  6. Serve with onions on top of steak, yum.

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