Preheat oven to 350 degrees.
Crack and beat eggs in mixing bowl. Set aside.
On medium-high heat, saute, spinach, onion, garlic and bell pepper until vegetables are softened and fragrant. Then add to egg mixture.
Add paprika, parsley, basil and onion powder. Then mix to combine.
Fold in cheese.
In pie pan or cast iron skillet, line shredded sweet potatoes, about an inch thick, on bottom and along the sides to form a crust.
Pour egg mixture over sweet potatoes.
Sprinkle with additional cheese, if desired.
Arrange tomatoes on top.
Bake in the oven for 45 minutes until eggs are golden brown and firm, and cheese is melted.