1 tablespoon whole-grain mustard
1 tablespoon apple cider vinegar
2 tablespoons extra-virgin olive oil
1 apple, such as Fuji or Pink Lady, halved and cored
5 ounces baby arugula
1/2 cup chopped smoked almonds
1/4 cup dry ricotta cheese (see Cook's Note)
The ricotta cheese can be substituted with goat cheese, feta or any other creamy, crumbly cheese you have on hand.