Ingredients

• 2 cloves garlic , minced
• 6 tablespoons olive oil
• 0.5 teaspoons dried thyme
• 2 tablespoons balsamic vinegar
• salt and pepper to taste
• 4 large portobello mushroom caps
• 4 hamburgers buns
• 1 tablespoon capers
• 0.25 cups mayonnaise
• 1 tablespoon capers , drained
• 1 large tomato , sliced
• 4 leaves lettuce

Instructions

1. 1 Turn on broiler, and adjust rack so it is as close to heat source as possible.
2. 2 In a medium-size mixing bowl, mix together garlic, olive oil, thyme, vinegar, salt and pepper.
3. 3 Put the mushroom caps, bottom side up, in a shallow baking pan. Brush the caps with 1/2 the dressing. Put the caps under the broiler, and cook for 5 minutes.
4. 4 Turn the caps, and brush with the remaining dressing. Broil 4 minutes. Toast the buns lightly .
5. 5 In a small bowl, mix capers and mayonnaise. Spread mayonnaise mixture on the buns, top with mushroom caps, tomato and lettuce.

Nutrition per serving