Here are some of the past topics discussed regarding breakfast. Hope it helps :)
https://forum.tudiabetes.org/topics/any-good-breakfast-ideas
https://forum.tudiabetes.org/topics/recommend-good-breakfastnot-a
https://forum.tudiabetes.org/topics/on-the-go-breakfast-ideas
https://forum.tudiabetes.org/topics/what-do-you-eat-for-breakfast-2
https://forum.tudiabetes.org/topics/a-hearty-breakfast
https://forum.tudiabetes.org/topics/what-do-you-eat-for-breakfast
https://forum.tudiabetes.org/topics/ok-what-is-for-breakfast
https://forum.tudiabetes.org/topics/what-have-you-had-to-eat-today
Just to name a few.
Breakfast is where I can allot most of my carb intake for the day so I enjoy it most. Omelets are my favorite with mixed veggies, meat (bacon, ham, chicken, turkey, mushroom) and cheese
There are several Groups here too, that may help you with some recipes:
http://www.tudiabetes.org/group/diabeticfoodandcooking
http://www.tudiabetes.org/group/diabetictastygoodness