Pepper Crusted Havarti Burgers with Pesto - Sutter Home Family Vineyards

Ingredients

• 3 T. Black Pepper corns
• 3 egg yolks
• 2 tsp salt
• 1/3 cup finely chopped red onions
• ¼ cup Sutter Home Zinfandel
• 2 lbs Ground Chuck (bring to room temperature by setting out 30 minutes before using)
• 8 oz Garden Havarti Cheese-sliced
• 6 Kaiser rolls
• 12 tsp mayonnaise
• 6 slices red onion
• 6 slices tomato