Hash Brown Crusted Quiche - Sacha Served What

Ingredients

• 25 oz. frozen shredded hash browns
• ¾ cup sharp white shredded cheddar cheese
• 1 teaspoon garlic powder
• ½ teaspoon dried oregano
• 2 ½ tablespoons unsalted butter (melted)
• 1 teaspoon Kosher salt
• Freshly ground black pepper (to taste)
• Avocado oil
• ¾ yellow onion (peeled and thinly sliced)
• Kosher salt
• 9 oz. sweet Italian chicken sausage (crumbled (alternatively, you can use a vegetable here instead))
• 8 eggs
• 1 tablespoons corn starch
• ¾ cup heavy cream
• 1 teaspoon Dijon mustard
• 1 cup sharp white shredded cheddar cheese
• 2 tablespoons fresh parsley (roughly chopped)