Two holidays that really don't seem to go well together, but I suppose you could have blueberry cheesecake for breakfast and a cherry-based dessert after dinner. Or you could have two desserts, or one as a snack, or....
National Blueberry Cheesecake Day
Most blueberry cheesecake recipes have you make a standard, plain cheesecake (either baked or just refrigerated) and then pour a blueberry topping over the finished cheesecake. Some have you just put blueberries on top. This recipe from Cooking Light changes it up a bit by having you mix in some blueberry puree with the filling.
Really want to change it up a bit? Try making Blueberry Cheesecake Flapjacks for breakfast. Or make Lemon Blueberry Cheesecake Bars.
If none of the above linked recipes appeal, check out a little bit of history on blueberry cheesecake and some recipe variations from Blueberry-Recipe.
National Cherry Dessert Day
I just got back a few hours ago and really had no time to celebrate today's food holidays. Had I plenty of time, I would have made cherry dessert to celebrate. Maybe a cherry empanada. Cherry cheesecake sounds tempting, too, but seems inconsiderate of National Blueberry Cheesecake Day. Cherry cookies would go well with tea or coffee. Maybe I should do a cherry chocolate cake instead. Or another cherry pie.
Hrm... I have a piece of frozen cherry pie in the freezer. I think that will be my breakfast tomorrow.