To prepare a sunrise sausage frittata recipe, you will first need to prepare the sausage. You will need: 1 pound sausage, 2 tbsp. kosher salt, 1/2 cup melted butter, and 2 tablespoons of olive oil. Preheat the oven to 425 degrees F (204 degrees C) and grease an 8 x 8-inch baking dish with non-stick cooking spray. Place sausage in the dish and sprinkle with salt and pepper. Bake for 20 to 25 minutes or until sausage is cooked through. Remove from oven and let stand for 5 minutes before serving.