Broccoli Rabe and Potato Pizza with Caesar Salad

Name: Broccoli Rabe and Potato Pizza with Caesar Salad
Ingredients: Cornmeal, for dusting; 1 lb. pizza dough; 2 cloves garlic, thinly sliced; 1 small golden potato (about 6 oz), very thinly sliced; 1/2 small red chile, thinly sliced; 3 tbsp. olive oil; Kosher salt; Pepper; 1/2 small bunch broccoli rabe, thick stems discarded and leaves separated; 3 oz. mozzarella, coarsely grated (about 1 cup); 2 tbsp. grated pecorino cheese, plus more for serving; 1 lemon; 2 small hearts romaine lettuce, halved lengthwise