Preheat oven to 350*F. Spray 9x13 pan with oil, set aside.
Heat oil in a large skillet over medium heat. Add spinach and cook until wilted. Set aside.
In a large bowl, whisk eggs, cottage cheese, and seasonings.
Add spinach to egg mixture and whisk again.
Pour mixture into pan. Bake for 15 minutes or until eggs are cooked through.
Let cool and cut into 6 squares.
Assemble sandwich with English muffin, egg, sausage, and cheese.
Wrap in parchment paper and place into a freezer bag.
To reheat, microwave for 2 minutes or airfry to 5-6 minutes.
