Argentine Chimichurri Burgers - Sutter Home Family Vineyards

Ingredients

• 2 teaspoons ancho chili powder
• 2 teaspoons sugar
• 1 tablespoon paprika
• 1 tablespoon salt
• Ground beef 1 1/4 pounds chuck, trimmed of visible fat and cut in 1/2 cubes,
• 1 large sweet onion, coarsely chopped
• 1/4 c. Merlot
• 1 bunch flat leaf (Italian) parsley, washed and well dried
• 1 bunch cilantro, washed and well dried
• 6 cloves garlic, peeled and coarsely chopped
• 1/4 cup sherry or red wine vinegar
• 3/4 cup extra virgin olive oil
• 2 tablespoons lemon juice
• 1 teaspoon salt
• 1/2 teaspoon cayenne pepper
• Vegetable oil, for brushing on the grill rack
• 6 (4 1/2-inch) soft Kaiser rolls, split