1. To make Croutons: Preheat oven to 350°F. Toss baguette cubes with oil, poultry seasoning, onion powder, and salt in large bowl until well coated. Spread on baking sheet, and bake 5 to 7 minutes, or until light brown and crispy. Cool.
2. To make Salad: Whisk together yogurt, mayonnaise, mustard, salt, and pepper in large serving bowl. Add lettuce, and toss to coat. Top with sliced pears, Croutons, and shaved Parmesan (if using).