The perfectly balanced sandwich is a comfort food that relies heavily on the right condiment. With picnic and grilling season right around the corner, put this tomato jam into heavy rotation. It’s mostly savory with just the right amount of sweetness to make you swap out the ketchup on your next burger, and it’s equally satisfying on sandwiches of all kinds. Since honey has a more complex sweetness than sugar, I use a combination of both to create a jammy consistency with plenty of robust tomato flavor. Layered with soft cheese and peppery arugula, the jam is part of a satisfying trio that makes my list of go-to toppings. After…