Birgerbird Epic Burger

Name: Birgerbird Epic Burger
Ingredients: 1 pound ground dry aged, grass fed beef; 1 teaspoon black truffle salt; 4 slices bacon from pastured pork; 1/2 avocado, sliced; 2 duck eggs; 1 heirloom tomato, sliced; handful dill pickle slices; 2 tablespoons butter; 2 brioche hamburger buns, buttered (1 Tbps butter) and toasted; 2 tablespoons bacon drippings