Celebrity chef Mary Califatidis demonstrates Valentine's Day recipes featuring Australian onions, including caramelised red onion puff pastry tarts, spaghetti bolognese, and baked onions with cream and cheese. She explains the different varieties of onions and their culinary uses, emphasising how onions form the foundation of flavourful home cooking. The segment explores food as a love language and encourages cooking romantic meals at home instead of purchasing gimmicky gifts.