Harry:over hard eggs and bacon
Ron:cereal, any kind basically
Fred:over easy eggs with buttered toast
George:pancakes with o.j.
Draco:a muffin with milk
Neville:a bagel with scrambled eggs on the side.
Marauder era
James:chocolate cake with chocolate milk, you love chocolate
Remus:homemade waffles with homemade batter freshly made
Sirius:French toast with maple syrup