New York Steak Salad with Scrambled Eggs

Name: New York Steak Salad with Scrambled Eggs
Ingredients: 4 tablespoons unsalted butter; 1 medium yellow onion, thinly sliced; 2 cloves garlic, thinly sliced; 1/2 pound assorted mushrooms, larger ones cut in half; 1 tablespoon extra-virgin olive oil; Two 1 1/2-pound boneless NY strip steaks, trimmed; Sea salt and freshly ground black pepper; 2 cloves garlic, minced; 1 bunch (about 6 ounces) spinach; 6 large eggs; 3 tablespoons heavy cream; 2 tablespoons unsalted butter; 2 tablespoons extra-virgin olive oil; 1 head frisee lettuce, torn into bite-sized pieces; 1 head Little Gem lettuce, torn into leaves; Shoestring Potatoes, recipe follows; 2 russet potatoes; 4 cups peanut oil; Sea salt, for sprinkling