1Crack the 8 large eggs into a bowl and whisk them until well combined.
Add the 1 teaspoon of salt and 1 teaspoon of black pepper to the eggs and mix well.
Heat 2 tablespoons of olive oil in a large skillet over medium heat.
Add the 1 cup of diced bell peppers and 1 cup of diced onions to the skillet and sauté until they are soft, about 5 minutes.
Add the 1 cup of diced tomatoes to the skillet and cook for another 2-3 minutes.
Pour the whisked eggs into the skillet, making sure they cover the vegetables evenly.
Sprinkle the 1 cup of shredded mozzarella cheese over the eggs.
Cook the omelet over medium heat until the eggs are set and the cheese is melted, about 5-7 minutes.
Sprinkle the 1 tablespoon of chopped fresh basil and 1 tablespoon of chopped fresh parsley over the omelet.
Fold the omelet in half and serve hot.