Preheat your oven to 400°F (200°C) and line a baking sheet with parchment paper.
Toss the diced bell peppers, zucchini, and red onion with olive oil, sea salt, and black pepper on the prepared baking sheet.
Roast the vegetables for 15-20 minutes until they are tender and exhibit a light golden char.
While the vegetables are roasting, whisk the whole eggs and liquid egg whites together in a medium bowl until completely smooth and incorporated.
Melt the ghee in a large non-stick skillet over medium-low heat, ensuring the surface is well-coated.
Pour the egg mixture into the skillet and let it sit for 30 seconds before gently pushing the curds from the edges toward the center with a spatula.
Once the eggs are soft and mostly set, gently fold in the hot roasted vegetables from the oven.
Remove the skillet from the heat and garnish the scramble with fresh chopped chives before serving warm.