01 -
Shred the squash in a food processor using the shredding attachment or grate it by hand. Finely chop the onion. Place both in a colander and press firmly with the back of a spoon to eliminate as much liquid as possible.
02 -
In a medium bowl, whisk the egg with salt, black pepper, and garlic powder. Add the grated squash and chopped onion and stir until well blended.
03 -
Heat a large 12-inch nonstick skillet over medium heat. Brush the skillet with half the butter. Using a ¼-cup measure, spoon the squash mixture onto the skillet. Fry without moving for 4-5 minutes until the bottoms are browned.
04 -
Carefully flip the fritters and cook for another 4-5 minutes until browned on both sides. Brush the skillet with more butter as needed and repeat with the remaining mixture.
05 -
Serve the fritters immediately. Optionally, top with a dollop of sour cream or salsa for extra flavor.