Preheat oven to 400°F (200°C). Line a baking sheet with parchment paper.
In a large bowl, combine ground chicken, ricotta, parmesan, egg, breadcrumbs, minced garlic, parsley, lemon zest, lemon juice, salt, and pepper until just combined.
Roll into 1.5 inch meatballs and place on the prepared baking sheet. Drizzle or spray with a little olive oil to help browning.
Heat a large skillet over medium-high heat with a small amount of olive oil. Brown meatballs on all sides, about 2-3 minutes total per batch.
Transfer the browned meatballs to a baking sheet and bake for 8-12 minutes until cooked through.
Meanwhile, cook orzo according to package directions. Toss with a little olive oil and lemon juice, then stir in chopped parsley. Serve meatballs over the lemon orzo.
Notes
Make ahead: refrigerate the meatballs up to 24 hours before baking. Reheat gently to avoid drying out. Garnish with extra lemon zest and parsley for a fresh finish.