Magic Blueberry Lime Coconut Custard Pudding Cake

Kelapo Virgin Coconut Oil, melted, plus more for greasing dish

coconut milk minus 1 tablespoon, plus 1 tablespoon lime juice (or lemon juice or cider vinegar)

/4 cup sugar, divided

shredded coconut, toasted (sweetened or unsweetened, entirely up to you)

eggs, separated, plus one extra white (extra white not necessary, but I like adding it for more fluff)

/3 cup all-purpose flour

salt

blueberries

grated lime zest