Directions

1. Preheat oven to 425 degrees F. Line medium baking pan with foil.
2. Heat oil in a medium skillet over medium heat. Add onion and cook, stirring often, until softened, about 5 minutes. Add the garlic and cook, stirring constantly, until fragrant. Transfer to medium bowl and let cool slightly.
3. Add the spinach, feta, and lemon zest to onion mixture and stir to combine.