In a medium saucepan over medium heat, I melt the butter. Then, I whisk in the sugar and milk. I bring the mixture to a gentle boil, stirring constantly, and let it bubble for exactly 2 minutes. This cooks the sugar and thickens the glaze slightly. I remove it from the heat and stir in the vanilla and the shredded coconut. I immediately and carefully pour this hot, bubbling glaze evenly over the hot cake straight from the oven. It will sizzle and look like a lot, but it will soak in, creating an irresistible sticky-sweet top and infusing every bite with moisture.
Pro Tips for Best Results
For the absolute best texture and to prevent a sunken middle, I tested the mixing method three ways: with an electric mixer, by hand until perfectly smooth, and by hand until just combined. Mixing by hand just until the last streak of flour disappears is the winner. Overmixing can develop the gluten in the flour, leading to a tougher, denser cake rather than the tender, delicate crumb we want.
The glaze timing is everything. Pouring the hot glaze over the hot cake allows it to seep deep into the cake, creating an even layer of sweetness and moisture throughout. If you let the cake cool first, the glaze will just sit on top like a frosting (which is still delicious, but you lose that signature soaked-through quality). Work quickly between the oven and the stovetop.
If you’re using coconut, toasting it first is a game-changer. I spread the shredded coconut on a baking sheet and toast it at 350°F for 5-7 minutes, watching closely until it’s golden brown. I let it cool for a minute before stirring it into the glaze. This adds a deep, nutty flavor and an incredible crunch that contrasts beautifully with the soft cake.
Common Mistakes to Avoid
Do not drain the pineapple. I made this mistake on my very first attempt, thinking the juice would make the cake soggy. The result was a dry, dense cake that lacked the iconic pineapple flavor. The juice is essential for both moisture and taste. Trust the recipe and dump it all in.(See the next page below to continue…)