Italy's Ferrero has continued its U.S. spending spree with its proposed acquisition of famous cereal maker WK Kellogg amid wider food manufacturer consolidation.

Italian confectioner Ferrero, known for brands like Nutella and Kinder, is buying U.S. cereal company WK Kellogg in a deal valued at approximately $3.1 billion.

WK Kellogg on Thursday agreed to be bought by the owner of Ferrero Rocher in a deal worth around $3.1 billion, uniting two of the world's most recognizable consumer brands to weather a tough spending backdrop marked by persistent inflation.