Roasted Red Pepper Burgers with Grilled Red Onion & Gorgonzola Aioli - Sutter Home Family Vineyards

Ingredients

• 7 tbsp olive oil, divided
• 2 red bell peppers
• 1/2 cup Gorgonzola cheese crumbled
• 2 Tbsp mayo
• 2 Tbsp plain yogurt
• 1/4 tsp fresh ground pepper
• 1 clove chopped fresh garlic
• 2 lbs ground chuck
• 1 clove minced fresh garlic
• 2 Tbsp finely chopped flat leaf parsley
• 1/2 tsp coarse salt
• 1/2 tsp fresh ground black pepper
• 1 large red onion sliced in 6, 1/4 to 1/2 inch slices