Preheat your oven to 400°F (200°C).
In a large mixing bowl, combine ground chicken or turkey, breadcrumbs, parsley, garlic, salt, and pepper. Mix until combined.
Shape the mixture into one-inch meatballs and place on a parchment-lined baking sheet.
Bake for about 20-25 minutes or until golden brown and cooked through.
In a medium bowl, mix Greek yogurt with grated cucumber, lemon juice, and a pinch of salt and pepper.
Prepare rice according to package instructions.
Assemble bowls with rice, meatballs, fresh veggies, and tzatziki sauce.