5-ingredient Egg White Frittata {meal Prep}

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2 tbsp olive oil or butter

1 500mL carton egg whites

1 cup cherry tomatoes, sliced in half (or 1 red pepper, chopped)

1 red onion (thinly sliced)

1 cup baby spinach, chopped

½ tsp each Salt & pepper

½ cup cottage cheese (blended with an immersion blender)

2 cloves garlic (minced)

1 tsp Italian seasoning

Preheat oven to 400 F. Grease a 9x9 round baking dish/cake pan with olive oil or butter, making sure to grease the sides well. Add remaining ingredients, stirring gently with a fork.
Place baking dish on top of a baking sheet lined with parchment paper just in case a bit of the oil rises above the egg white mixture (optional, but I do this to avoid grease dripping down into the oven as the egg whites rise and cook).
Bake in the oven for 30-35 minutes until egg whites are firmly set. Remove from oven and slice into 4-5 pieces when cooled. Congrats, you've got breakfast ready for the week!