Grilled Pepper, Basil, and Turkey Roulade with Basil Sour Cream Sauce
- 1 large lemon
- 2 1/3 cup fresh basil leaves
- 1 boneless turkey breast half
- 1 cup sour cream
- kitchen string
- 4 medium red bell peppers
Roast peppers on racks of gas burners over high heat, turning with tongs, until skins are blackened, 5 to 8 minutes. (Alternatively, broil peppers on rack of a broiler pan about 5 inches from heat, turning occasionally, about 15 minutes.) Transfer to a bowl and let stand, covered, until cool enou...