Preheat your oven to 400°F (200°C) and lightly grease a 9x9 inch baking dish.
Gently cook the chopped yellow squash in a large skillet with a couple of tablespoons of water over medium-high heat for about 5 minutes until tender-crisp.
Drain the squash well, then add the chopped green onion to the skillet. Briefly sauté for a minute, then season with a pinch of salt and pepper.
Transfer the squash and green onion mixture into your prepared baking dish.
In a small bowl, whisk together the egg and heavy whipping cream until combined, then pour this creamy mixture evenly over the squash.
Sprinkle the 1 cup of shredded cheddar cheese over the top of the squash layer.
In another bowl, combine the crushed pork rinds and Parmesan cheese, stirring them together.
Pour the melted butter into the pork rind mixture and stir until everything is well coated.
Evenly spread this delicious buttery, crunchy topping over the casserole.
Bake for approximately 20 minutes, or until the topping is golden brown and the casserole is bubbly. Garnish with fresh green onions before serving warm.
Notes
Nutrition Information (per serving):
Calories: 232
Total Carbs: 4g
Net Carbs: 3g
Fats: 20g
Protein: 10g
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