Hi Barbara!
Thank you for bringing your question to the Disney Parks Moms Panel!
An early breakfast with all the Princesses at
Akershus Royal Banquet Hall is certainly a magical way to start the day!
Generally, Guests with early dining reservations will be allowed into the park around 7:30-7:45 a.m. Since it's a morning
Extra Magic Hour day at
Epcot, I think you would be able to (quickly) make your way to the Norway Pavilion and jump on
Frozen Ever After before your dining reservation. Hopefully, you will be off the ride in time for your 8:15 meal, but they do allow a small grace period for Guests running a little behind. I wouldn't want to be more than 15 minutes late for it, though, and risk losing your reservation.
After your delicious breakfast, be sure to stop by and visit
Anna and Elsa at the Royal Summerhus. Their summer home is adorable!
I hope this helps! Please let me know if you have any other questions.
~Lori