Fresh Milk Butter Toast That Melts in Your Mouth

2 slices of thick-cut milk bread
– Preferably 1 to 1.5 inches thick, about 60–80g per slice
– Use Japanese shokupan, brioche, or thick white toast
For the Milk Butter Glaze:
Unsalted butter (softened) 2 tbsp (30 g)
Sweetened condensed milk 1½ tbsp (22 g)
Whole milk 1 tbsp (15 ml)
Salt (optional), Small pinch