1 cup plain reduced-fat Greek yogurt
1 teaspoon finely grated lemon zest
1 tablespoon fresh lemon juice
2 teaspoons finely chopped fresh mint leaves
Kosher salt and ground black pepper
For the Salad:

2 cups finely chopped fresh flat-leaf parsley
1/2 cup chopped fresh mint
3/4 cup halved cherry tomatoes
1/2 seedless cucumber, peeled and chopped into 1/4-inch pieces
2 cups cooked white beans (homemade; or canned, rinsed)
3 tablespoons fresh lemon juice
2 tablespoons olive oil
3/4 teaspoon kosher salt
1/4 teaspoon ground black pepper
4 cups baby greens
1 cup canned salmon, large bones removed