Among the options you provided, "El jugo de manzana" (apple juice) is typically sweet. The other items are generally not considered sweet:
- "El pan tostado" (toast) is savory.
- "El perro caliente" (hot dog) is also savory.
- "Las papas fritas" (French fries) are salty.
So, the sweet option is "El jugo de manzana."