Spring Salad with Radishes and Fresh Herbs

Name: Spring Salad with Radishes and Fresh Herbs
Ingredients: 1/2-lb. (250-g) loaf sweet batard, crust removed, bread torn into 1-inch (2.5-cm) pieces; 2 Tbs. extra-virgin olive oil plus 3/4 cup (6 fl. oz./180 ml); Kosher salt and freshly ground pepper, to taste; 1/4 cup (2 fl. oz./60 ml) Champagne vinegar; 1 1/2 tsp. fresh lemon juice; 1 1/2 tsp. Dijon mustard; 10 oz. (315 g) mixed baby greens; 1 cup (1 oz./30 g) fresh herbs, such as parsley and chervil leaves, dill fronds, snipped chives and torn basil leaves; 5 radishes, very thinly sliced; Shaved ricotta salata cheese for serving