Apples and Bacon Salad with Maple-Balsamic Vinaigrette

package ((5-ounces) Baby Romaine Lettuce)

fresh baby spinach

bacon slices (, cooked to a desired crispness and crumbled)

to 4 medium-sized red apples (, chopped)

chopped walnuts

crumbled French feta cheese

Maple-Balsamic Vinaigrette Recipe ((you want to double the recipe for this salad))