Fire up the grills.. Grilled Steak and Onion Sandwiches with Creamy Horseradish Sauce are on the menu tonight!
While we are more burgers and brats type of people when it comes to grilling (and give me ALL the sides!), we do like to grill steaks a few times every summer. Paired with some grilled onions and mushrooms, an ear or two of corn on the cob, and an ice cold beer and I am one happy lady.
Since I tend to overdo it on the sides, I pretty much always have leftover steak. I'm definitely not one to waste a good piece of meat but leftover steak on its own just doesn't have quite the appeal as the juicy, pink in the middle steak that comes straight off the grill.
Enter: the steak sandwich. Leftover steak is ideal for a steak sandwich because the key to a good steak sandwich is getting super thin slices of steak. When you cut the steak cold, it's a lot easier to get thinner slices than when it's hot. Another pro tip? Cutting against the grain. Obviously.
That said, these Grilled Steak and Onion Sandwiches with Creamy Horseradish Sauce were still 100% delicious with freshly grilled steak. The slices were just cut a little thicker than ideal.
The star in these sandwiches is definitely the creamy horseradish sauce. I used to be one of those people who "didn't like horseradish" but really - I just didn't know what I was talking about. I also used to dip my steak in ketchup. Please forgive me. I've come a long way since those days.
Anyways, this creamy horseradish dip is pretty much your steak's new best friend. It's SO good and SO easy. The base of the sauce is plain yogurt, but you can use sour cream if you please. To the yogurt I added a spoonful of mayo, some garlic, fresh horseradish, and some salt and pepper and holy smokes was it good!
A generous smear of the horseradish sauce on a lightly toasted bun, topped with that thinly sliced steak and grilled onions and you have yourself one delicious spring/summer dinner!