餡兒 (haam2 ji4) — filling; stuffing | Spoken Cant. is just 餡 (haam62), the 兒 representing the rolling-r suffix of northern Mandarin nouns. in Cantonese

filling or stuffing for pies, cakes, dumplings, etc

final particle / suffix, placed after many commonly used nouns to avoid employing one-syllable terms in speech (very common in the Beijing dialect 北京話, see: 兒化, 兒化韻)