Preheat your oven to 400°F (200°C).
Peel and dice the sweet potato into small 1/2-inch cubes. Toss them with olive oil, garlic powder, and half of the sea salt on a parchment-lined baking sheet.
Roast the sweet potatoes for 15 minutes.
While potatoes roast, lightly brush the bacon slices with maple syrup. Add them to the baking sheet and roast for an additional 8-10 minutes until the bacon is crisp and the potatoes are tender.
Lower the oven temperature to 375°F (190°C).
In a medium mixing bowl, whisk together the eggs, liquid egg whites, non-fat Greek yogurt, remaining sea salt, and black pepper until the mixture is smooth and aerated.
Roughly chop the fresh spinach and stir it into the egg mixture along with the roasted sweet potato cubes.
Pour the mixture into a small, lightly greased oven-safe baking dish.
Chop the maple-glazed bacon into bite-sized pieces and sprinkle them evenly over the top of the egg mixture.
Bake for 18-22 minutes, or until the center is set and the edges are lightly golden brown.
Garnish with freshly chopped chives and serve immediately.