Last summer, my youngest child had a mission: homemade tomato soup. He’d run out to the garden with the determination of a tiny farmer and come back clutching a handful of cherry tomatoes, grinning ...

Chrissy Tiegen's Tuna Melt from her cookbook Cravings proves that the most humble ingredients can become a warm, buttery masterpiece—just by frying them in a pan with a boatload of cheddar cheese.