Peice of grilled fish, miso soup, salad, maybe a little rice, and some fruit.

Typical Japanese style breakfast. I dunno why people feel boxed into to feel like you have to eat a ton of carbs, sweet crap at a tantamount to dessert, highly processed cereals or super high fat bacon/sausage etc. for breakfast. Many other places in the world just treat it like any other meal.

The whole concept of what we eat for breakfast (tons of sugar, carbs, high fat, and generally low nutrition) was manufactured by food companies that make highly processed foods so the could sell more products

Banana, peanut or nut butter
Rice with whatever you have mixed in
Croissant with ham and cheese