Preheat your oven to 400°F (200°C).
Dice the red bell pepper, zucchini, and chicken sausage into small, uniform pieces.
Place the vegetables and sausage on a baking sheet, drizzle with olive oil, and season with half of the salt and pepper.
Roast in the oven for 12 to 15 minutes until the vegetables are tender and the sausage is slightly browned.
While roasting, whisk together the eggs, liquid egg whites, nutritional yeast, and the remaining salt and pepper in a medium bowl.
Heat a non-stick skillet over medium-low heat and pour in the egg mixture.
Once the roasted vegetables and sausage are done, fold them directly into the skillet with the eggs.
Gently scramble the mixture using a spatula until the eggs are set but still moist and fluffy.
Remove from heat, garnish with freshly chopped chives, and serve immediately.