Today

This morning, i'm eating bread and coffee. It's very delicious.

This morning I had bread and coffee, it was delicious.

Today

This morning,i'm  eating  I ate bread and coffee. It's It was very delicious.

Today

This morning, i'm I'm eating bread and drinking coffee. It's They're [or] Both are very delicious.

Christophe, vous avez écrit au présent.  C'est correct si vous écrivez que vous mangez et boire.  Si vous écrivez quelque chose qui s'est passé avant, vous pourriez écrire:

This morning, I had bread and coffee.  They were delicious.

This morning, I ate bread and drank coffee.  Both were deliious.

J'espère que vous pouvez comprendre mon français!