Step 1: Season the steak generously on both sides with salt and pepper. Add 4 tablespoons balsamic vinegar to coat and let 1/2 pound of steak marinate for about 15 minutes on each side.
Step 2: When ready, spread 2-3 tablespoons olive oil on the grill or grill pan over medium-high heat for about 3 minutes on each side, or until desired doneness.
Step 1: In a small mixing bowl, combine 8-10 diced strawberries, 3 tablespoons balsamic vinegar, 10 basil chiffonade, and pinches of salt and pepper. Mix well to integrate.
Step 2: To serve, cut the steak into inch-thick strips and top with salsa.