Caramelized Onion without tenders salmon eggs

2 tablespoons vegetable oil 3 medium onions , quartered and thinly sliced 2 teaspoons sage leaves , chopped 1 cup sour cream 1/2 cup mayonnaise 1/2 cup[...]

1 large onion , very thinly sliced 1/4 teaspoon sugar salt , pinch 4 teaspoons spicy brown mustard 3 teaspoons horseradish 2 teaspoons honey 8 slices light[...]