Let stand for 5 minutes.
Meanwhile, toss chickpeas, tuna, tomatoes, cucumber, feta and dill together in a large bowl.
Whisk oil into the lemon juice mixture until fully incorporated.

Photo: Photography / Caitlin Bensel, Food Styling / Ruth Blackburn
Spoon about 5 tablespoons of the dressing into the chickpea mixture; toss to coat.
Add spinach to the remaining dressing in the large bowl; toss to coat.
Divide the spinach evenly among 4 plates; top each plate with 1 1/4 cups chickpea mixture.
- Daily Values (DVs) are the recommended amounts of nutrients to consume each day.
(-) Information is not currently available for this nutrient.