Methods for hybridizing members of the Theobroma genus, and particularly to methods for hybridizing Theobroma cacao and Theobroma grandiflorum are provided. Hybrid seeds, plants and plant parts thereof, obtained from these methods are also provided. Methods for confirming that the resulting progeny are hybrids are described. Theobroma hybrid plant products, such as seeds obtained by crossing Theobroma cacao and Theobroma grandiflorum, having modified chemical compositions, such as modified fatty acid content, and/or modified alkaloid content, are provided. Products obtainable from the hybrid plants and seeds, particularly foodstuffs such as cocoa products, are also provided.