Add the apples, cranberries, flour, sugar, cinnamon, and salt to a mixing bowl and stir to combine.
Pour the apple mixture into a 2.5 quart baking dish and spread into an even layer.
Mix the topping ingredients together in a small bowl.
Spread the topping over the apple mixture and bake for 40 to 45 minutes until the apples are tender and bubbling and the top is golden brown. If the top begins to get too dark, cover loosely with foil.
Let cool for 10 minutes before serving.
Notes
Store the crisp in an airtight container and refrigerate for up to 4 days.Reheat in a 300°F oven for 10 minutes or until warmed through.The cooled apple crisp can be frozen for up to three months.