The taste of miso soup of this breakfast was so strong that I could not drink all.
The taste of miso soup of this breakfast was too strong to drink.
so A that B : とてもAなのでBだ
too A to B : BするにはAすぎる
eg1
He is so strong that nobady can win : かれは強すぎるので誰も勝てない
eg2
She is too young to talk : 彼女はしゃべるには幼すぎる
よくある言い換え表現です!どちらを使っても大丈夫です!
味が濃いは
strong / thick
が使えます