Sesame Caesar Salad

Name: Sesame Caesar Salad
Ingredients: 2 oil-packed anchovy fillets, chopped; 1 small garlic clove, chopped; 1 lemon, halved; 3 Tbsp. tahini; 2 tsp. Dijon mustard; 3 Tbsp. grapeseed, sunflower, or vegetable oil; 3 Tbsp. finely grated Parmesan, plus more for serving; Kosher salt, freshly ground pepper; 4 heads of Little Gem lettuce or 2 romaine hearts, trimmed, leaves separated; 1 Asian pear, halved, cored, thinly sliced; 1 tsp. toasted sesame seeds