Slice the onion thinly and defrost the seafood mix.

Boil water in a pot, cook the macaroni as per package instructions, and drain.

Heat olive oil in a pan, sauté the onion over medium heat until soft, add the seafood mix and cook until it changes color, then set aside.

Wipe the pan clean, melt butter over low heat, add flour and stir until smooth. Gradually add milk, stirring constantly, then add salt, pepper, and consomme powder. Cook until thickened.

Combine the sauce with the sautéed seafood and macaroni, mix well.