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Dessert

Broiled Grapefruit

Broiled grapefruit is a halved grapefruit topped with brown sugar and butter, run under the broiler for a few minutes until the top caramelizes into a bubbly, golden crust over warm, juicy fruit underneath. It’s a real classic breakfast and brunch dish, not a new invention, and the caramelized sugar does genuine work here: it balances out grapefruit’s natural bitterness instead of just masking it. Pair it with a glass of our Grapefruit Paloma Mocktail for a fully grapefruit-forward morning, or serve it as a simple, ten-minute start to a bigger brunch spread.

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Quick answer: Broiled grapefruit is a halved grapefruit topped with brown sugar and butter, broiled for a few minutes until the top caramelizes into a bubbly, golden crust over warm, juicy fruit. It's a classic breakfast and brunch dish that takes 5 minutes of prep and about 5 minutes under the broiler.

A halved grapefruit with a bubbly, golden-brown caramelized sugar top, fresh out of the broiler on a small plate with a spoon beside it
Prep5 min
Cook5 min
Total10 min
Serves2 servings
PPin

Instructions

1

Preheat the broiler and set an oven rack about 5 inches from the heat source.

2

Halve the grapefruit crosswise. Slice a very thin piece off the bottom of each half so it sits flat without wobbling.

3

Using a paring knife or serrated grapefruit knife, cut around each segment to loosen it from the membrane and peel, so the fruit is easy to eat with a spoon after broiling.

4

Brush each half with melted butter, then sprinkle evenly with brown sugar, a pinch of cinnamon if using, and a pinch of salt.

5

Broil for 4-6 minutes, watching closely, until the sugar is bubbly and golden brown. Broilers vary a lot in intensity, so go by how it looks, not just the clock.

6

Let cool for a minute before serving warm, straight from the shell.

Zesty Tip: Watch it, don't time it. Every broiler runs differently, and sugar can go from perfectly caramelized to burnt in under a minute. Check at the 3-minute mark and every 30 seconds after that instead of walking away for a fixed time.

Questions people actually ask

Why broil grapefruit instead of just eating it plain?

The caramelized sugar and heat balance out grapefruit's natural bitterness, which comes from a compound called naringin concentrated in the pith and membranes. It's the same reason a pinch of salt or sugar tames bitterness in other dishes, here it turns a slightly sharp fruit into something that tastes almost like dessert.

Should I use pink or white grapefruit?

Pink or red grapefruit is naturally sweeter and less bitter, so it needs less sugar and is the easier choice for this recipe. White grapefruit is more bitter to start, which actually benefits more from the caramelization, just expect to lean on the sugar and butter a bit more to balance it.

My sugar burned before the fruit even warmed up. What went wrong?

Your broiler is probably running hotter than average, or the rack was too close to the heat. Move the rack down a few inches, or bake at a high oven temperature (around 500°F) instead of broiling if this keeps happening.

Can I use white sugar instead of brown sugar?

Yes, it still caramelizes, though brown sugar's molasses content tends to caramelize a little more easily and adds a deeper flavor. Honey or maple syrup also work, though they can brown a bit faster than dry sugar, so watch those even more closely.

Can I make this ahead of time?

Not really, the appeal is the hot, bubbly sugar straight from the broiler. You can segment the grapefruit ahead of time and refrigerate it, then just add the topping and broil right before serving.

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