Preheat your oven to 425˚F.
Toss the cubed sweet potato, diced red pepper, onion, and chopped mushrooms in a mixing bowl with the olive oil and 1/2 teaspoon salt.
Spread the seasoned vegetables on a baking sheet in a single layer. Roast them in the oven for 14 to 18 minutes, or until tender.
While the vegetables roast, whisk together the eggs, half and half, remaining salt, pepper, and thyme in a bowl.
After roasting, transfer the veggies to a baking dish, add spinach and sprinkle with goat cheese.
Pour the egg mixture over the vegetables and gently shake the dish.
Bake for 30 to 40 minutes, or until set.
Let cool slightly before slicing into 12 to 15 pieces.
Serve warm and enjoy!
