If you look in the last page of the sefer “vizos habracha” he brings 4 letters from poskim about it 1. Signed by the American Poskim (R’ Heinemann, R’ Belsky + which says it’s Hamotzi if you are Kovea Seudah on it 2.3.4 from R’ Elyashiv, R’ Nisim Kerelitz, R’ Vosner, which say Bipashtus even if you eat a drop it’s Hamotzi.
The basis for this is (seemingly) the M.B. in 168 17 which says that if something is generally eaten for the main meal it’s Hamotzi even if it has the conditions od pas habah bikisnin