Grilled Portabella and Bell Pepper Sandwiches Recipe - BettyCrocker.com

Ingredients

• 6 fresh large portabella mushroom caps
• 1 large bell pepper, cut into 1/4-inch slices
• 1 large red onion, sliced
• 1 tablespoon olive or vegetable oil
• 1/2 teaspoon seasoned salt
• 1 round focaccia bread (8 or 9 inch)
• 1/4 cup mayonnaise or salad dressing
• 1/4 cup basil pesto
• 4 leaf lettuce leaves