Step 1

Preheat oven to 350°F. Coat a 9×13- inch baking dish with nonstick spray. Set aside.

Step 2

Heat butter in a skillet over medium heat. Add the diced onions into the melted butter and season with 1/2 teaspoon kosher salt. Cook onions until they are soft and caramelized, stirring frequently. Remove from the heat. Set aside.

Step 3

Bring a large pot of water to a boil and cook the lasagna noodles according to package directions. Drain.

Step 4

While the noodles are cooking combine the cottage cheese, mashed potatoes, egg, pepper, onion powder, 1 cup of grated cheese, remaining 1 teaspoon kosher salt, and HALF of the onions. Stir to combine.

Step 5

Place 3 noodles into the bottom of the prepared dish. Top with half of the cottage cheese mixture and spread to cover the noodles. Lay 3 more noodles on top of the filling and top that with the remaining filling mixture. Lay the last 3 noodles on top, sprinkle with the reserved onions and remaining 1/2 cup of cheese.

Step 6

Cover pan with foil and bake for 30 minutes. Remove the foil and broil for 3 minutes.

Step 7

Allow the casserole to cool for 15-20 minutes. Sprinkle with parsley and serve.