Preheat the oven to 375 degrees Fahrenheit. Lightly spray an 8x8 inch (or 9x9 inch) dish with nonstick spray.
oil cooking spray
Heat the olive oil in a skillet, add the onion and bell pepper, and cook until softened, 3 to 5 minutes.
2 teaspoons olive oil, ½ cup yellow onion, ½ cup red bell pepper
Add the spinach and cook 1 more minute. Set aside and let it cool.
3 cups fresh spinach
Crack the eggs into a bowl and add the salt, pepper, garlic powder, and cottage cheese. Blend with an immersion blender.
8 eggs, ¼ teaspoon salt, ¼ teaspoon black pepper, ¼ teaspoon garlic powder, ¾ cup cottage cheese
Add the vegetables and cheddar. Stir to combine.
½ cup shredded cheddar
Pour the mixture into the prepared dish.
Bake for 30 to 35 minutes, until the center is set.
Let it cool for 5 minutes, then cut into 4 pieces.
Serve with a salad or fruit.
lettuce
Garnish with green onion.
green onion