This creamy cheesy au gratin potato dish has an added spinach and caramelized onion goodness.
This is a side dish where the title says it all. Cabbage is fried with bacon, onion, and garlic for a side dish you’ll want to eat again and again.
The iconic green bean casserole is reworked with the flavors of French onion soup — caramelized onions and Gruyere cheese.
A traditional side dish from the Alsace region of France, in the country’s northeast corner near the German border, this rich onion tart pairs bacon and caramelized onions in a creamy sauce baked in a pie shell.
A slice of French bread layered with three varieties of cheese is broiled on top of individual servings of this soup of Spanish onions cooked in beef bouillon to form a rich crust.