This is the 4497th most frequent French word.
italiennes
It means "Italian" (feminine plural).
Here, 'italiennes' is an adjective describing the origin of the noun 'pâtes' (pasta), attributing them as being 'Italian'.
Les pâtes italiennes sont très populaires dans le monde entier.
Italian pasta is very popular all over the world.
In this case, 'italiennes' acts as an adjective to specify that the 'recipes' (recettes) are characteristic of Italy.
Les recettes italiennes incluent souvent des herbes fraîches et des tomates.
Italian recipes often include fresh herbs and tomatoes.
'italienne' here is the feminine singular of the adjective 'italien', modifying 'famille' and indicating the nationality of the family.