So you made a prime rib roast and are lucky enough to have leftovers, make this Leftover Prime Rib Sandwich Recipe. Thinly sliced prime rib, horseradish mayo, caramelized onions and fresh greens make this the ultimate sandwich experience. Great for lunch or dinner.
Prime Rib Caramelized Onion Sandwiches
These prime rib sandwiches come together quite easily using leftover prime rib roast. Slice the prime rib thin, caramelize some onions, mix the horseradish mayo then just assemble. Done.
I take my sandwiches very seriously. There are no plain mustard and bologna on white bread sandwiches happening at my house. These prime rib sandwiches are perfect without being overly fussy.
What To Serve With Prime Rib Sandwiches
The Prime Rib + Caramelized Onion Sandwiches could be considered a meal all on their own. But here are a few recipes that will go well served alongside:
Ingredients Needed For Caramelized Onion Prime Rib Sandwiches (screenshot for grocery list)
- Leftover Prime Rib
- Ciabatta, French or Sour Dough Rolls
- Sweet Onions
- Prepared Horseradish
- Spring Mix Greens
How To Make Leftover Prime Rib Sandwiches
- Prepare caramelized onions.
- Thinly slice the prime rib, as close to shaved as possible. (I leave it cold. If preferred, heat quickly in a skillet just until warm.)
- Mix mayo and horseradish.
- If toasting bread, brush with oil from caramelized onions and toast in the oven.
- Spread horseradish mayo onto top and bottom of rolls. Layer greens, prime rib, onions and more greens. Serve.
Here are more sandwich recipes for all of you sandwich fans:
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Nutrition Information Yield 2 Serving Size 1
Amount Per Serving Calories 1250Total Fat 92gSaturated Fat 29gTrans Fat 0gUnsaturated Fat 54gCholesterol 209mgSodium 669mgCarbohydrates 46gFiber 5gSugar 16gProtein 59g
As an Amazon Associate and member of other affiliate programs, I earn from qualifying purchases.
Nutritional information on WonkyWonderful is provided as a courtesy and is approximate only. We cannot guarantee the accuracy of the nutritional information given for any recipe on this site.