In a large bowl, mix chicken, parmesan, panko, salt, garlic, and lemon zest.
Roll mixture into meatballs, using 2 tbsp for each.
Heat olive oil in a pan over medium-high heat.
Add meatballs to the pan. Cook for 6 minutes.
Remove meatballs and set them aside.
In the same pan, melt butter and add garlic.
Whisk in flour and cook for 1 minute.
Slowly add chicken broth, capers, brine, and lemon juice.
Simmer the sauce for 6-7 minutes, until it thickens.
Add meatballs back to the pan. Cook for 5-6 minutes.
Spoon sauce over meatballs and serve.
Serve with pasta, rice, or enjoy as is.