Preheat the oven to 375 degrees
Lightly grease a baking sheet
Lay chicken breast onto baking sheet
Drizzle chicken with lemon juice
Season chicken with salt & lemon pepper
In a large mixing bowl add potatoes, broccoli and onion.
Toss with butter, olive oil, garlic, parmesan cheese, salt, & black pepper until evenly coated
Spread potato, broccoli & onion into an even layer on the sheet pan surrounding the chicken.
Bake in oven for 35-40 mins.
Garnish & lemon zest