Colombian Hot Dog (Perro Caliente Colombiano)

PINEAPPLE SAUCE:

Fresh or frozen pineapple chunks
1/3 cup water
2.5 tablespoons sugar or to taste
1.25 teaspoons cornstarch
Juice of 1/2 lime (about 1 tablespoon)

TOPPINGS:
Pineapple sauce
Cole slaw
Potato chips, crushed
Mayonnaise
Ketchup
Mustard