01 - Set oven temperature to 400°F.
02 - In a large bowl, combine diced sweet potato, sliced carrots, red onion wedges, and halved Brussels sprouts.
03 - Pour olive oil, maple syrup, apple cider vinegar, sea salt, black pepper, and dried thyme over vegetables; toss thoroughly to coat.
04 - Arrange vegetables evenly on a parchment-lined baking sheet and roast for 15 minutes.
05 - Remove sheet, scatter almonds evenly over vegetables, gently toss, then return to oven; roast an additional 10 minutes until vegetables are tender and almonds toasted.
06 - Transfer to serving platter, sprinkle with fresh parsley if desired, and serve warm.