Ronnie Sumang

unsalted butter • medium onion (halved and thinly sliced) • ¹/² cup sour cream (at room temperature) • cream cheese (softened) • finely chopped flat - leaf parsley • onion powder • Worcestershire • Kosher salt and freshly ground pepper • Potato chips (for serving)

large eggs • plus 1 tablespoon mayonnaise • cornichons, minced • goat cheese, at room temperature • Dijon mustard • minced shallot • snipped chives • Kosher salt and freshly ground pepper • thainly sliced country ham or prosciutto, torn 20 piece

sour cream • mayonnaise • drained bottled horseradish • lump crabmeat, picked free of shell • dry bread crumbs • scallions including green tops, chopped • chopped fresh parsley • cayenne • fresh ground black pepper • cooking oil