Tapenade Burgers with Roasted Red Pepper-Feta Dressing - Sutter Home Family Vineyards

Ingredients

• oil for the grill rack
• 6 ciabatta rolls, split
• 2 1/4 pounds ground chuck
• 1/2 cup finely chopped red onion
• 4 tsp. minced garlic, divided
• 2 1/2 tsp Greek seasoning blend
• 1 1/2 tsp salt
• 1 tsp freshly ground black pepper
• 2 Tbsp. freshly squeezed lemon juice, divided
• 1 cup Calamata olives, pitted (double-check for pits)
• 1/2 cup green olives, stuffed with pimentos
• 1/2 cup ripe olives
• 1/2 cup roasted red pepper strips, divided
• 1 cup prepared mayonnaise
• 1/4 cup plain yogurt
• 1/2 cup crumbled feta cheese, divided
• 1/2 cup julienned fresh basil leaves, loosely packed, julienned