Spicy Rizo Chego Burger with Cilantro Relish - Sutter Home Family Vineyards

Ingredients

• 2 cups fresh cilantro, large stems removed
• 1 tablespoon fresh lime juice
• 2 tablespoons Colavita extra virgin olive oil
• 1 Serrano pepper
• 1/2 teaspoon salt
• 1/3 cup sweet onion, such as Vidalia, finely minced
• 1/2 pound spicy Mexican chorizo sausage, casings removed
• 1 1/2 pounds 85% lean ground beef
• 1 egg
• 1/4 teaspoon ground cumin
• 1 teaspoon chopped fresh epazote (substitute with fresh Oregano)
• 1 1/2 teaspoon salt
• Vegetable oil for the grill
• 6 Kaiser rolls, split
• 6 slices of Manchego cheese, at room temperature
• 1 ripe avocado, sliced into 1/4 inch slices