1In a pot, combine chicken broth, a pinch of salt, onion, carrot, celery, and garlic. Bring to a boil, cover, and simmer over medium/low heat for about 20 minutes until vegetables are tender.
2Transfer cooked veggies to a blender, add turmeric, and a little broth. Blend until smooth.
3Add blended vegetables back to broth with another pinch of salt and 1 tbsp butter. Stir to combine.
4Pour in pastina and simmer uncovered for about 8 minutes, stirring occasionally, until al dente.
5Turn off heat. Stir in egg yolk immediately.
6Taste and add grated garlic and lemon juice.
7Serve warm with Parmesan, black pepper, and olive oil.