Vegetarian Potato and Tomato Frittata

1Preheat the oven to 350°F (180°C).

2Slice the potatoes (2), tomatoes (2), and onions.

3In a bowl, whisk together the eggs (6) with salt and pepper.

4Heat oil (2 tablespoons) in a skillet over medium heat. Add the sliced potatoes (2) and cook until golden brown.

5Add the chopped onions and sauté until translucent.

6Layer the sliced tomatoes (2) over the potatoes (2) and onions in the skillet.

7Pour the egg mixture over the vegetables in the skillet.

8Place the skillet in the preheated oven and bake for 20-25 minutes, or until the frittata is set and golden brown.

9Remove from the oven and let it cool slightly before slicing and serving.