Locked and Loaded Chorizo Burger

Name: Locked and Loaded Chorizo Burger
Ingredients: 1 pound hot or mild chorizo; 1 pound hot or mild bulk Italian sausage; 2 tablespoons butter; 4 onion rolls, split; 2 store-bought hash brown patties, cut in half, smashed and fried crispy; 4 eggs, fried to desired doneness; 1/2 cup fine-diced seeded firm Roma tomato; 1/2 cup mayonnaise; 2 tablespoons lemon juice; 1 tablespoon chopped fresh cilantro; 1 tablespoon chopped garlic; 1 tablespoon chopped scallions; 1 avocado, diced small; Salt and freshly ground black pepper