Ingredients:
- 2 medium shallots
- 4 (4-oz.) skinless, boneless chicken thighs or chicken breast cutlets
- 1 (1-oz.) pkg. fresh basil, divided
- 8 thin slices prosciutto (4 oz.)
- 6 large multicolored heirloom tomatoes, thinly sliced
- 3 tablespoons olive oil, divided
- ¼ teaspoon kosher salt
