Preheat oven to 450°
In a large bowl place a zest from one lemon and add 1 tbsp olive oil. Then slice the red onion and add with the kalamata olives and toss well.
Prepare a baking dish by placing a baking sheet at the bottom then add the olives and the onions.
Cut the chicken breasts into pieces and season with salt, pepper, and Greek seasoning then add them to the onions and olives.
Place the peeled garlic cloves under the chicken then spread over the top of the chicken the hummus.
Use the juice out of the zested lemon and pour over the chicken.
Last step is to add the squeezed lemon slice it into rinds and sprinkle paprika on top.
Place it in the oven and bake for 15 minutes, then add the tomatoes around the meat and drizzle the balsamic vinegar over the tomatoes.
Place it back in the oven and bake for another 15-20 minutes.
In a plate lay the spinach, then place the chicken on top and crush some feta cheese and some fresh lemon slice.
Serve with pita bread and hummus.