Farmers Market Burger - Sutter Home Family Vineyards

Ingredients

• 1-1/2 Pounds ground chuck
• 1 pound ground beef brisket
• 2 Teaspoons kosher salt
• 1 teaspoon fresh ground black pepper
• 1 teaspoon garlic powder
• 2 Tablespoons worcestershire sauce
• 3/4 Cup mayonnaise
• 2 Tablespoons prepared horseradish
• 1 Tablespoon minced fresh basil leaves
• 1 Tablespoon fresh thyme, stripped from stems
• 1 Tablespoon minced fresh oregano leaves
• 1 teaspoon fresh lemon juice
• 2 poblano peppers
• 2 small zucchini, sliced in one-fourth inch slices
• 1 large onion, sliced
• 8 ounces white mushrooms, sliced
• Vegetable oiling, for brushing the grill rack
• 2 Tablespoons butter
• 6 Tablespoons spreadable cream cheese
• 6 1-ounce slices sharp cheddar cheese
• 6 Hawaiian sweet hamburger buns
• 2 Tablespoons sesame seeds
• 1 large tomato, sliced into six slices
• 1 Cup baby arugula