In this healthy salad pizza recipe a simple pizza with garlic, olive oil and prosciutto is topped with an assertive bitter greens salad. The heart of this piquant pizz’alad is anchovies, a classic pizza topping that we use to flavor the salad dressing. Using bread flour gives the pizza crust a crisp and sturdy structure, but all-purpose flour works well in its place. For a gluten-free crust variation, see Tips.