01 - Preheat the oven to 400°F. Line a baking sheet with parchment paper.
02 - Toss the sweet potato cubes and red onion slices with 1 tablespoon olive oil, salt, and pepper. Spread evenly on the baking sheet.
03 - Roast for 25-30 minutes, turning once, until sweet potatoes are golden and tender. Let cool slightly.
04 - In a small bowl, whisk together the remaining olive oil, lime zest and juice, honey or maple syrup, garlic, Dijon mustard, salt, and pepper to make the dressing.
05 - In a large salad bowl, combine roasted sweet potatoes, roasted onion, spinach, avocado, and red bell pepper.
06 - Drizzle with the lime dressing and toss gently to coat.
07 - Top with pumpkin seeds and chopped coriander before serving.