Pre-heat oven to 425F
Grease a 9x13 baking dish
Pour hash browns into greased pan and spread across the base of the pan
In a heated skillet, brown ground beef and season with hamburger seasoning
Drain browned hamburger and add to to hash browns
Dice pickles and onions to a small dice and add to hash browns
Add 1 cup of cheese and set 2nd cup aside for later
Using a spoon, mix hash browns, onions, and pickles together and spread evenly through the pan
In a separate bowl, beat egg and cottage cheese together and pour over hash brown mixture
Bake at 425F for 25 minutes
Remove pan and sprinkle remaining cheese on hash brown mixture and bake for 5 minutes to melt cheese