The only way to make a homemade bagel better? Turn it into the ultimate breakfast sandwich! These light, crispy bagels are the perfect size and texture — neither too soft, nor challengingly chewy — for filling with flavorful toppings. But they’re also wonderfully satisfying all on their own. While the classic duo of egg and cheese is right at home here, this sandwich bagel begs for an array of other powerhouse fillings, like scallions, a variety of cheeses, spicy spreads, veggies, and meat…