½ cup olive oil
8 cloves garlic, finely chopped
4 large yellow onions, sliced ¼” thick
½ tsp. ground cinnamon
½ tsp. ground coriander
¼ tsp. freshly grated nutmeg
¼ tsp. ground cardamom
Zest and juice of 1 lemon
Kosher salt and freshly ground black pepper, to taste
14 oz. dried tagliatelle or fettuccine
4 cups plain full-fat yogurt, room temperature
3 tbsp. thinly sliced parsley
2 tbsp. thinly sliced mint
2 tsp. sumac