Place egg whites in a large bowl and let stand at room temperature for 30 minutes. , Preheat oven to 300°. Add vinegar, vanilla and salt to egg whites; beat on medium speed until soft peaks form. Gradually beat in sugar, about 2 tablespoons at a time, on high until stiff glossy peaks form and sugar is dissolved., Spread into a greased 10-in. springform pan. Bake 50-60 minutes or until lightly browned. Remove to a wire rack to cool (meringue will fall)., Serve with strawberries and whipped cream. Store leftovers in the refrigerator.