Grilled Strip Steak and Caesar Salad

Name: Grilled Strip Steak and Caesar Salad
Ingredients: 1/2 cup 2 percent plain Greek yogurt; 3 tablespoons grated Parmesan; 1 tablespoon plus 1 teaspoon fresh lemon juice; 1 tablespoon Dijon mustard; 1 tablespoon olive oil; 1/2 teaspoon dried oregano; 3 anchovies; 1 small clove garlic, chopped; Kosher salt and freshly ground black pepper; 1 tablespoon olive oil, plus more for oiling the grill grates and brushing the romaine; Two 1-inch-thick strip steaks (about 1 1/2 pounds total), trimmed of excess fat; 2 romaine hearts, split lengthwise and core trimmed