Black Bean-Guacamole Sirloin Burgers with Chipotle Creme Fraiche - Sutter Home Family Vineyards

Ingredients

• 3 Haas avocados, halved, seeded and peeled
• 1 lime, juiced
• 1/2 teaspoon kosher salt
• 1/2 teaspoon ground cumin
• 1/2 teaspoon cayenne
• 1/2 medium red onion, diced
• 2 Roma tomatoes, seeded and diced
• 1/2 cup chopped cilantro
• 1 clove garlic, minced
• 1 32-ounce cans of black beans, rinsed and drained
• 1 cup beef stock
• 3 tablespoons olive oil
• 3 cloves of garlic, finely minced
• 1 cup creme fraiche or Mexican crema
• 2 tablespoons pureed chipotle chile in adobo
• 2 teaspoons honey
• 1 teaspoon lime zest
• 1 tablespoon chopped cilantro
• 1 1/2 pounds freshly ground sirloin
• 1/2 pound freshly ground chuck
• 2 teaspoons ground cumin
• 2 teaspoons grill seasoning (recommended: Montreal Steak Seasoning by McCormick)
• 1 tablespoon poblano pepper, finely minced
• Vegetable oil, for brushing the grill rack
• 6 Good Quality Kaiser rolls, split