Spicy Onion Panini with Basil and Roasted Red Pepper

This grilled sammy is easily made vegetarian, if desired, by removing the prosciutto. Either way, it's a vegetable and nutrition-packed sandwich that would be perfect for any summer picnic!

Spicy Onion Panini with Basil and Roasted Red Pepper

Prep Time

15 minutes

Cook Time

30 minutes

Serves

4 people

This grilled sammy is easily made vegetarian, if desired, by removing the prosciutto. Either way, it’s a vegetable and nutrition-packed sandwich that would be perfect for any summer picnic!

 

Recipe and image provided by the National Onion Association.

Ingredients

  • 8 cups (2 quarts) yellow onion, sliced
  • 2 tablespoons olive oil
  • 1 teaspoon red pepper flakes
  • 4 ciabatta rolls
  • Aioli (recipe follows)
  • 1 cup basil leaves
  • 1 cup roasted red pepper strips
  • 8 ounces sharp white cheddar, sliced
  • 1/2 cup pitted kalamata olives, halved
  • 2 ounces prosciutto or pancetta, in paper-thin slices (optional)

Preparation

  • 1 Caramelize onions over low heat in oil about 15 to 20 minutes or until golden; mix in red pepper flakes. Split ciabatta rolls and brush inside lightly with Aioli.
  • 2 For each serving, layer bottom of roll with 1/4 cup basil leaves, then 3/4 cup caramelized onion, then 1/4 cup roasted red pepper, 2 ounces cheese, and 2 tablespoons olives.
  • 3 Add 1/2 ounce prosciutto if desired. Close the rolls and brush with aioli. Place each one in panini grill set at medium.
  • 4 Slowly close lid (somewhat flattening sandwich inside) and grill 15 minutes or until golden and melted.

To Make the Aioli:

  • 1 Combine in electric blender 1/2 cup olive oil, 1 tablespoon white wine vinegar, 2 medium cloves garlic and a dash of salt. Process until blended and slightly thickened. Add freshly ground black pepper to taste. Makes about 1/2 cup.

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