Follow these simple steps to create a delicious Tomato Basil Frittata:

1. Preheat the Oven: Preheat your oven to 350°F (175°C).
2. Prepare the Baking Dish: Use a non-stick oven-safe skillet or frittata pan. Add olive oil and heat over medium heat.
3. Beat the Eggs: In a large bowl, whisk together the eggs, milk, salt, and pepper until well combined.
4. Add Tomatoes and Basil: Gently fold in the cherry tomatoes and chopped basil into the egg mixture.
5. Pour Mixture into Skillet: Pour the egg mixture into the heated skillet, ensuring even distribution.
6. Add Cheese: Sprinkle the shredded mozzarella cheese and grated Parmesan cheese evenly over the top.
7. Cook on Stovetop: Let it cook on the stovetop for about 5 minutes until the edges start to set.
8. Transfer to Oven: Carefully place the skillet in the preheated oven to bake for 10-15 minutes until the frittata is fully set and slightly golden on top.
9. Check for Doneness: A toothpick inserted into the center should come out clean, indicating it’s done.
10. Cool and Slice: Remove from the oven and allow it to cool for a few minutes before slicing into wedges.

By following these steps, you’ll create an amazing Tomato Basil Frittata that will impress everyone!