Watermelon and Cucumber Salad with Mint Honey Vinaigrette

Name: Watermelon and Cucumber Salad with Mint-Honey Vinaigrette
Ingredients: For the Vinaigrette; 1/4 cup fresh lime juice; 1/4 cup white wine vinegar; 1/4 cup honey; 1 teaspoon dijon mustard; 1/2 teaspoon salt; 3 tablespoons chopped mint leaves; 1/2 cup olive oil; For the Salad; 6 cups mixed greens salad; 2 cups watermelon, cubbed; 1/2 English cucumber, sliced thin; 1 cup walnuts, roughly chopped; 1/3 cup crumbled feta