2 tablespoons fat-free caramel-flavored sundae syrup |
2 cups fat-free frozen whipped topping, thawed |
4 cups fat-free vanilla ice cream, softened |
1 (6-ounce) ready-made chocolate crumb piecrust |
1/4 cup plus 2 teaspoons fat-free chocolate-flavored sundae syrup, divided |
4 cups sliced banana (about 5 medium) |
2 tablespoons chopped dry roasted unsalted peanuts |