Sour Cream Burgers with Flame- Kissed Onions and Roasted Red Peppers - Sutter Home Family Vineyards

Ingredients

• 1 head of garlic
• 1 tablespoon of Colavita extra virgin olive oil
• 2 pounds of ground chuck
• 1/2 cup of sour cream
• 1/2 cup of plain bread crumbs
• 3 teaspoons Greek seasoning
• 1/2 teaspoon course salt
• 1/4 teaspoon cracked black pepper
• 1/2 teaspoon crushed red pepper
• Vegetable oil, for brushing the grill rack
• 1 large yellow onion, sliced into 6 thick slices
• 3 tablespoons of mayonaise
• 6 French style sandwich rolls, split
• 6 ounces of havarti, sliced
• 1 jar of roasted red peppers
• 6 cups of baby spinach