Ingredients

• 1 pound ground turkey
• 2/3 cup finely chopped red onion
• 1/3 cup (about 2 ounces) crumbled feta cheese plus additional for topping
• 3 tablespoons coarsely chopped pitted Kalamata olives (about 6)
• 1 1/2 teaspoons olive oil plus additional for brushing
• 1 small garlic clove, pressed
• 1/2 teaspoon chopped fresh rosemary
• 1/2 teaspoon (generous) coarse kosher salt
• 1/2 teaspoon (generous) black pepper
• 4 crusty rolls, halved horizontally
• Tomato Jam

Instructions

1. Prepare barbecue (medium-high heat). Brush grill rack with oil.
2. Gently mix turkey, onion, 1/3 cup feta, 3 tablespoons chopped olives, 1 1/2 teaspoons olive oil, garlic, rosemary, generous 1/2 teaspoon coarse salt, and generous 1/2 teaspoon pepper in medium bowl. Form into 4 patties, each about 1 inch thick. Brush with oil and sprinkle with salt and pepper.
3. Grill burgers until charred on both sides and cooked through, about 5 minutes per side. Grill cut side of rolls until toasted, about 2 minutes. Assemble burgers with Tomato Jam and additional feta and chopped olives.