01 -
Preheat the oven to 375 degrees. In a large skillet (a 15 inch cast iron works well), heat the butter until melted and slightly frothy.
02 -
Add the onion and sauté until fragrant and beginning to turn translucent, about 2-3 minutes.
03 -
Add the cabbage and combine with onions. Season with salt. Cook for about 5-6 minutes or until the cabbage has softened and is beginning to turn lightly golden in spots.
04 -
Stir in the garlic and cook for about a minute. Remove from heat and let the mixture cool slightly.
05 -
Add the frozen hash browns and 1½ cups of cheese and mix until well-combined. Smooth the top with a spatula.
06 -
Bake in the preheated oven for about 30-35 minutes or until the top begins to turn golden brown.
07 -
Add the remaining cheese to the top and bake for another 4-5 minutes until the cheese is melted and bubbly.
08 -
Remove from oven and top with chopped green onion before serving.