Take potatoes and poke them on all sides with a fork, then place on a parchment-lined baking tray
3. Step
Bake for 50 minutes, or until fork tender.
4. Step
Allow potatoes to cool, then cut off either end and cut in half lengthwise.
5. Step
Scoop out potato flesh leaving a thin layer of sweet potato inside, and add flesh to a medium bowl. Place skins back on baking sheet, drizzle with olive oil.
6. Step
Bake skins at 400˚F (200˚C) for 10 minutes.
7. Step
Mash sweet potato flesh with milk, salt, and pepper until smooth and creamy.
8. Step
Remove sweet potato skins from oven, fill each with an equal amount of potato mixture and top with cheese and diced tomatoes.
9. Step
Bake at 400˚F (200˚C) for 15 minutes until the cheese is melted.
