grumeaux

/ɡʁymo/grumeau
1.
nounmasculinePlur

lumps or small clumps in a liquid or soft mixture (especially in cooking — e.g., batter, sauce, soup)

Ta pâte à crêpes contient encore des grumeaux, passe-la au tamis ou mélange-la mieux.

Your pancake batter still has lumps; strain it or mix it better.