Chickpea Tuna & Feta Salad

Makes 4 servings

2 cans tuna, drained and flaked
1 can chickpeas (garbanzo beans), drained
1/2 cup black olives, chopped
2 cups chopped spinach
1 cup red pepper, chopped
1/2 red onion, chopped
4 stalks celery, chopped
1/2 cup crumbled feta cheese, or more to taste
*Stir all together in a bowl.

1/2 cup olive oil
1/4 cup lemon juice
salt and ground black pepper to taste
*Whisk together and toss with the salad.