Breadless Italian Sub Sandwich

No need to pile on the deli-counter favorites on these low-calorie 'shroom sandwiches-a little goes a long way. Portobello mushroom caps stand in for bread, perfect for those looking for a gluten-free option. Be sure to serve each sub wrapped in wax paper to keep all the juices contained--then bite with confidence!
  • Level: Intermediate
  • Total: 20 min
  • Prep: 10 min
  • Cook: 10 min
  • Yield: 4 sandwiches
  • Nutrition Info
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Ingredients

8 large Portobello mushrooms, wiped clean

2 tablespoons extra-virgin olive oil

Kosher salt

1 tablespoon red wine vinegar

1 tablespoon finely chopped pepperoncini with seeds

1/2 teaspoon dried oregano

Freshly ground black pepper

2 ounces sliced provolone (about 4 slices)

2 ounces thinly sliced low-sodium ham (about 4 slices)

1 ounce thinly sliced Genoa salami (about 4 slices)

1 small tomato, cut into 4 slices

1/2 cup shredded iceberg lettuce

4 pimento-stuffed olives

Directions

Special equipment:
Decorative toothpicks
  1. Position an oven rack in the top third of the oven and preheat the oven broiler.
  2. Remove the stems from the mushrooms and discard. Lay the mushroom caps gill-side-up and use a sharp knife to completely remove the gills (so that the caps will lie flat). Arrange the mushroom caps on a baking sheet, brush all over with 1 tablespoon of oil and sprinkle with 1/4 teaspoon salt. Broil until the caps are just tender, flipping halfway through, 4 to 5 minutes per side. Allow to cool completely.
  3. Whisk together the vinegar, pepperoncini, oregano, remaining 1 tablespoon oil and a few grinds of black pepper in a small bowl.
  4. Assemble the sandwiches: Arrange one mushroom cap, cut side-up, on a work surface. Fold 1 piece of provolone to fit on top of the cap and repeat with 1 slice each of ham and salami. Top with 1 slice of tomato and about 2 tablespoons of lettuce. Drizzle with some of the pepperoncini vinaigrette. Sandwich with another mushroom cap and secure with a toothpick threaded with an olive. Repeat with the remaining ingredients to make 3 more sandwiches. Wrap each sandwich halfway in wax paper (this will help catch all the juices) and serve.

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