4 tablespoons plus 1/2 cup extra-virgin olive oil
1 cup buttermilk
1 1/2 pounds chicken tenders (about 18)
3 large garlic cloves, minced
1/2 teaspoon salt
3 tablespoons balsamic vinegar
Freshly ground black pepper
1 1/4 cups freshly grated Parmesan
3/4 cup Italian-style seasoned bread crumbs