To make Vinaigrette: . Place all ingredients in blowl mix well. Season with salt and pepper.
To make Salad: . Heat grill or grill pan to medium-high. Brush tofu with barbecue sauce, and grill 3 to 4 minutes per side. Cool, and cut into squares.
Toss tofu, corn, tomatos, green onions, beans, bell pepper, and red onion with Vinaigrette in large plastic container. Place lettuce in resealable plastic bag. Toss lettuce with tofu mixture just before serving.