Portobello Mushroom Burger(Paula Deen) - cooking recipe

Ingredients

4 portobello mushroom caps, cleaned
1/4 cup olive oil
salt & freshly ground black pepper
1/2 cup mayonnaise
1 tablespoon prepared pesto sauce
2 teaspoons coarse grain mustard
4 hamburger buns, split, buttered, and toasted
1 cup baby arugula
1 (12 ounce) jar roasted red peppers, drained

Preparation

Preheat grill to medium-high heat.
Brush mushrooms caps with olive oil; sprinkle evenly with salt and pepper. Grill mushrooms, smooth side down, covered with grill lid, for 6 to 8 minutes, or until tender.
In a small bowl, combine mayonnaise, pesto, mustard, 1/4 teaspoon salt and 1/4 teaspoon pepper. Spread mixture evenly over cut sides of buns.
Divide arugula evenly over bottom halves of buns.
Top each evenly with peppers.
Place mushrooms caps over peppers. Cover with tops of buns.