Roasted Red Pepper Burgers with Feta Mint Mayonnaise - Sutter Home Family Vineyards

Ingredients

• 2 tablespoons olive oil
• 1 onion, finely chopped
• 5 cloves garlic, minced and divided
• 2 pounds ground chuck
• 4 red bell peppers
• 2 tablespoons chopped fresh mint, divided
• 1 tablespoon cumin
• 1 teaspoon cayenne
• 1 teaspoon salt
• 1 egg, beaten
• 6 large soft Kaiser rolls
• 6 leaves Romaine lettuce
• 6 ½ inch slices large tomatoes
• 6 tablespoons Dijon mustard
• ¼ cup mayonnaise
• ¼ cup crumbled feta cheese