1 1/3 cup yellow onions
2 Tbsps. olive oil
1 cup plain yogurt
2 Tbsps. cider vinegar
2 Tbsps. green onions

Sauté onions in olive oil over medium heat for 10-15 minutes or until onions are limp. Reduce heat to low and continue cooking stirring often, until onions are golden brown and have developed a sweet flavor (15-30 minutes). Let cool. Before serving, combine onions with yogurt and vinegar. Garnish with thinly sliced green onions.