My Family's Favorite Baked Sausage Hashbrowns

Ingredients

• 1 pound (450g) frozen hashbrowns, thawed
• 2 tablespoons (30ml) vegetable oil
• 1 teaspoon (5g) salt
• ½ teaspoon (2g) black pepper
• 8 ounces (225g) breakfast sausage, casings removed
• ½ cup (75g) onion, finely chopped
• ½ cup (75g) red bell pepper, finely chopped
• 2 cloves garlic, minced
• 1 teaspoon (1g) smoked paprika
• ½ teaspoon (2g) dried oregano
• 1 cup (100g) shredded cheddar cheese
• 2 tablespoons (30ml) sour cream (optional, for serving)
• Fresh chives or parsley, chopped (for garnish)