Ingredients

3 tablespoons finely chopped red onion

4 tablespoons mayonnaise

1 teaspoon grated lemon rind

1/4 teaspoon fennel seeds, crushed

1/4 teaspoon freshly ground black pepper

3 slices center-cut bacon, cooked and crumbled

2 (5-ounce) cans albacore tuna in water, drained and flaked

8 slices sourdough bread

4 (1/2-ounce) slices provolone cheese or swiss

Cooking spray

Preparation

  1. Combine first 7 ingredients in a medium bowl, stirring well to coat. Place 4 bread slices on a flat surface; top each bread slice with 1 cheese slice. Divide tuna mixture evenly among bread slices; top each serving with 1 remaining bread slice.

  2. Heat a large skillet over medium heat. Lightly coat sandwiches with cooking spray. Place sandwiches in pan; top with another heavy skillet. Cook 3 minutes on each side or until lightly browned (leave skillet on sandwiches as they cook).