Roasted Red Pepper Burgers With Grilled Onions & Gorgonzola Aioli - Sutter Home Family Vineyards

Ingredients

• 7 tablespoons. olive oil, divided
• 2 red bell peppers
• ½ cup Gorgonzola cheese crumbled
• 2 tablespoons. sour cream
• 2 tablespoons. plain Greek yogurt
• ¼ teaspoon fresh ground pepper
• 1 clove chopped fresh garlic
• 2 pounds ground chuck
• 1 clove minced fresh garlic
• 2 tablespoons. finely chopped flat leaf parsley
• ½ teaspoon coarse salt
• 1/2 teaspoon. fresh ground black pepper
• 1 large vidalia onion sliced in 6 ¼ to ½ inch slices
• 6 Ciabatta rolls, cut and slightly toasted on grill
• 6 bibb lettuce leaves