London Broil and Portobello Sandwich Recipe

Name: London Broil and Portobello Sandwich
Prep time: 15 min
Cook time: 30 min
Total time: 45 min
Yield: 4 servings
Ingredients: 1 1/2 pound London broil; 1/2 cup olive oil, plus more for brushing steak; Salt and pepper; 1/4 cup balsamic vinegar; 4 portobello mushroom caps, cut in slices; 1 Vidalia onion, cut in rings; 1/2 cup mayonnaise; 1 tablespoon grated horseradish or grainy mustard; 1/2 cup chopped fresh parsley; 1/2 lemon, juiced; 4 pieces ciabatta bread, split horizontally; 1/4 pound Fontina, sliced; 1/3 cup (packed) coarsely chopped arugula leaves

Servings: persons

1 1/2 pound London broil
1/2 cup olive oil, plus more for brushing steak
Salt and pepper
1/4 cup balsamic vinegar
4 portobello mushroom caps, cut in slices
1 Vidalia onion, cut in rings
1/2 cup mayonnaise
1 tablespoon grated horseradish or grainy mustard
1/2 cup chopped fresh parsley
1/2 lemon, juiced
4 pieces ciabatta bread, split horizontally
1/4 pound Fontina, sliced
1/3 cup (packed) coarsely chopped arugula leaves

1
Preheat oven broiler for 5 minutes.
2
Brush both sides of London broil with olive oil and season with salt and pepper.
3
Place the steak on a broiler pan and broil about 4-inches from the heat source, about 5 minutes per side.
4
Lay the portobellos and onions in a single layer on a sheet pan lined with aluminum foil.
5
Drizzle with oil and vinegar then put in the oven and roast for 10 minutes.
6
Remove the steak to a cutting board.
7
Let rest for 5 minutes then slice the steak thinly against the grain.
8
In a small bowl, combine mayonnaise, horseradish, parsley, and lemon juice.
9
Spread mayonnaise mixture on both sides of the split ciabatta.
10
Lay several slices of steak on the bread and mound with a bit of mushrooms and onions.
11
Cover with a couple of slices of cheese.
12
Garnish with arugula, and serve.

2024

kcal

Calories

223

Fat

Carbs

Protein

Fat Carbs Protein

* Per serving · 4 servings · Values may vary.

No additional tips available.

No specific allergen information. Please check the ingredient list for possible allergens.

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This recipe makes 4 servings. You can adjust the portion size directly on this page.

You need 13 ingredients. The key ingredients include: 1 1/2 pound London broil, 1/2 cup olive oil, plus more for brushing steak, Salt and pepper, 1/4 cup balsamic vinegar, and more.

Yes, London Broil and Portobello Sandwich falls under the General category and is a great choice for this type of meal.

Store leftovers in an airtight container in the refrigerator for up to 3–4 days. Reheat gently before serving.

London Broil and Portobello Sandwich

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