Preheat oven to 375° F/190° C, place Silicone Baking Sheet with Rim on metal baking sheet and set aside.

In the base of the Power Chef® System fitted with blade attachment, place savory butter crackers. Cover and pull cord until crackers are finely chopped. Add cream cheese and butter and pull cord until you have a consistent mixture.

Place the Pro Ring in the middle of the Silicone Baking Sheet with Rim.

Firmly press tart dough on the bottom and sides of the Pro Ring until you have an even thickness. Pierce bottom and sides with a fork. Par-bake for 12–15 min.

While tart shell is par-baking, combine all ingredients for the roasted sweet potatoes in the Thatsa® Bowl and toss until well coated. Place sweet potatoes in the base of the MicroPro® Grill. Place cover in the grill position and microwave 6 minutes on high power.

In a cleanPower Chef® System fitted with blade attachment, place sweet potatoes, heavy cream, egg, salt and pepper. Cover and pull cord until you have a consistent mixture. Fold in feta or goat cheese using the Silicone Spatula.

After removing tart shell from oven, reduce the heat to 350° F/180°C.

Spread caramelized onions on the bottom of the tart shell then fill with sweet potato mixture. Bake 25–30 min.

Allow to stand for 10 min. before unmolding. Use the Spatula to transfer to a serving dish.