While mother Yasoda was churning butter, Lord Krsna, desiring to drink the milk of her breast, appeared before her, and in order to increase her transcendental pleasure, He caught hold of the churning rod & began to prevent her from churning - SB 10.9.4

Expressions researched:
"While mother Yaśodā was churning butter, Lord Kṛṣṇa, desiring to drink the milk of her breast, appeared before her, and in order to increase her transcendental pleasure, He caught hold of the churning rod and began to prevent her from churning"

Srimad-Bhagavatam

SB Canto 10.1 to 10.13

While mother Yaśodā was churning butter, Lord Kṛṣṇa, desiring to drink the milk of her breast, appeared before her, and in order to increase her transcendental pleasure, He caught hold of the churning rod and began to prevent her from churning.

SB 10.9.4, Translation

While mother Yaśodā was churning butter, Lord Kṛṣṇa, desiring to drink the milk of her breast, appeared before her, and in order to increase her transcendental pleasure, He caught hold of the churning rod and began to prevent her from churning.