Mashed potato mixture can be prepared and spooned into potato shells ahead of time. Cover and refrigerate up to 2 days. When ready to serve, uncover and sprinkle with streusel topping. Then, bake as directed.
Use Your Oven
Preheat oven to 400°F. Prick potatoes with fork, then bake 45 min. or until tender. Remove from oven; cool 5 min. Continue as directed.