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Prime Rib with Caramelized Onion Sandwiches

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Updated Nov 5, 2018
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Our favorite way to use leftover prime rib is piling it on French loaf with caramelized onions and classic horseradish sauce.

Prime Rib with Caramelized Onion Sandwiches

  • Prep Time 15 min
  • Total 60 min
  • Ingredients 7
  • Servings 2
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Ingredients

  • 1 can (11 oz) refrigerated Pillsbury™ Original French Bread
  • 2 tablespoons butter
  • 2 cups thinly sliced yellow onion (1 large)
  • 1/4 teaspoon salt
  • 2 tablespoons prepared horseradish cream or sauce
  • 8 oz thinly sliced cooked beef prime rib
  • 1 cup fresh baby arugula

Instructions

  • Step 
    1
    Heat oven to 350°F. Bake French loaf as directed on can. Cool completely.
  • Step 
    2
    Meanwhile, in 12-inch nonstick skillet, melt butter over medium-high heat. Add onion and salt; cook 10 to 12 minutes, stirring frequently, until deep golden brown.
  • Step 
    3
    Cut French loaf in half crosswise, then in half horizontally. Spread 1 tablespoon horseradish cream over cut sides of bottom of each loaf. Top each loaf with half each of the beef, onions, arugula and loaf tops.

Nutrition

800 Calories
32g Total Fat
44g Protein
85g Total Carbohydrate
12g Sugars

Nutrition Facts

Serving Size: 1 Serving
Calories
800
Calories from Fat
290
Total Fat
32g
49%
Saturated Fat
14g
71%
Trans Fat
1g
Cholesterol
120mg
40%
Sodium
1360mg
57%
Potassium
630mg
18%
Total Carbohydrate
85g
28%
Dietary Fiber
4g
15%
Sugars
12g
Protein
44g
% Daily Value*:
Vitamin A
10%
10%
Vitamin C
10%
10%
Calcium
8%
8%
Iron
35%
35%
Exchanges:
4 Starch; 0 Fruit; 1 Other Carbohydrate; 0 Skim Milk; 0 Low-Fat Milk; 0 Milk; 1 1/2 Vegetable; 0 Very Lean Meat; 4 Lean Meat; 0 High-Fat Meat; 3 1/2 Fat;
Carbohydrate Choice
5 1/2
*Percent Daily Values are based on a 2,000 calorie diet.

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