Bevy of Beans and Basil

Name: Bevy of Beans and Basil
Ingredients: 1 pound fresh fava beans, shelled, or 1 cup shelled fresh or frozen edamame (soybeans; 3/4 pound in pods); 3/4 pound young fresh Romano beans (Italian flat beans), stemmed and cut diagonally into 1 1/2-to 2-inch pieces; 1/2 pound green or wax beans, trimmed and halved crosswise; 1/4 cup packed basil leaves; 2 garlic cloves, finely chopped; 3 tablespoons extra-virgin olive oil; 3 tablespoons water; 1 1/2 teaspoons grated lemon zest; 2 1/2 teaspoons fresh lemon juice, or to taste