Rachael Ray's Baked apple recipe calls for sweet apples. Specifically, she uses McIntosh apples. Other sweet apples include Jonagold, Empire and Cameo. The recipes allow for substitutions with adjusted baking times.
For the "My Mom's Baked Apples" recipe, Ray uses McIntosh apples. The instructions allow for a Granny Smith substitution and adding 15-minutes of bake time. In the "Baked Apples" recipe the direction calls for sweet apples just under one-half pound per piece. The Empire apple blends both a Red Delicious and McIntosh. The sweet taste of the apples reduces the amount of sugar used in the recipe and results in the juice extraction.