Spicy Sun-dried Tomato Tequila Butter Beef Burgers - Sutter Home Family Vineyards

Ingredients

• 1 tablespoon Colavita extra virgin olive oil
• 2/3 cup chopped red onion
• 1/4 cup chopped packed in oil sun-dried tomatoes, drained
• 1 tablespoon minced garlic
• 1 teaspoon ground cumin
• 1/2 teaspoon ancho chili powder
• 1/3 cup tequila, preferably 100% blue agave
• 1/2 cup chilled unsalted butter, cut into 8 tablespoons
• 2 pounds freshly ground chuck
• 2 teaspoons sea salt
• 1/2 teaspoon black pepper