Cut zucchini into noodle-shaped strands using a spiralizing tool.
Measure out the ingredients.
Prepare
Place the spinach in a large bowl.
Place “zoodles” into the large bowl with the spinach and top with cucumber, tomatoes, red onion, and feta cheese.
Whisk (or shake in a jar) olive oil, lemon juice, oregano, salt, and pepper together until dressing is smooth; pour over “zoodle”mixture and toss to coat.
Allow flavors to marinate in the refrigerator for 10 to 15 minutes.