Turkey Cheeseburgers

Ingredients

• 1 1/2 pounds ground turkey, preferably thigh meat
• 2 scallions, ends trimmed and finely chopped
• 1 rib celery, ends trimmed and finely chopped
• 2 teaspoons hot pepper sauce
• 1 teaspoon minced garlic
• 1 teaspoon kosher salt
• 1/2 teaspoon freshly ground black pepper
• Extra-virgin olive oil
• 4 slices Havarti cheese, each about 1 ounce
• 4 brioche buns, split
• 4 leaves crisp lettuce
• 8 slices ripe tomato