Heat oven to 450°F.
Melt butter with canola oil on a half sheet pan in oven 1 minute or until melted.
Add hash browns, onions, peppers, garlic salt, salt, and pepper; stir to combine.
Spread mixture evenly over pan.
Bake 15 minutes; stir. Bake an additional 15 minutes.
Add kale; stir. Bake 5 minutes. Reduce oven to 400°F.
Stir in 1/2 cup cheese to hashbrown mixture.
Form 4 mounds with hash brown mixture. Create an indentation in each mound with back of large spoon.
Crack 1 egg into each nest; sprinkle remaining cheese evenly over eggs.
Bake 10-15 minutes or until eggs are desired doneness. Serve immediately.