Preheat oven to 400. Put all ingredients through lemon zest in food processor and pulverize.
Add avocado oil slowly and continue blending until a smooth sauce forms, like a pesto. Save ¼ cup sauce and put aside.
Put chicken in a bowl and coat with sauce. Spread out onto a sheet pan with parchment paper and slice lemon that you zested and lay on chicken. Bake for 30-35 minutes until cooked through. Serve drizzled with sauce.