Set your oven to 400°F (200°C) and line a baking sheet with parchment paper.
Arrange sweet potato slices in a single layer. Brush each side with olive oil, season with salt and pepper, and roast for 20–25 minutes, flipping halfway through until tender and golden.
Soften the vegan cream cheese at room temperature and warm the cranberry sauce if thick.
Spread a small dollop of vegan cream cheese on each roasted sweet potato round.
Spoon a little cranberry sauce on top, then sprinkle with toasted nuts or seeds.
Garnish with fresh thyme and serve warm or at room temperature.
