Sweet Baked Grapefruit

Featured in Sweet Treats You'll Actually Make Twice.

This dish turns grapefruit into a warm delight. Slice in half, score the fruit, and add brown sugar with cinnamon. Bake for a soft finish or broil for a crisp sugar top. A sprinkle of sea salt adds crunch and cuts bitterness. Serve hot or chilled, and swap brown sugar for honey or maple syrup to explore flavors. Works great as a casual breakfast or a fresh brunch item.
A woman wearing a chef's hat and apron.
Updated on Sat, 05 Apr 2025 22:18:24 GMT
Sweet caramelized grapefruit halves with a brown sugar topping, perfect for a simple breakfast or snack Pin it
Sweet caramelized grapefruit halves with a brown sugar topping, perfect for a simple breakfast or snack | cookbybook.com

When you heat up a grapefruit with sugar on top, it turns into something extra special for breakfast. This easy method brings out the fruit's natural sweetness while adding rich flavors from the bubbling sugar and spices. Something wonderful happens in the oven – the sugar gets all golden and bubbly, the fruit softens up, and your kitchen smells amazing with sweet citrus scents floating around.

I first tried this at a small hotel's fancy breakfast and have made it tons of times at home since then. Even my kid, who normally won't touch anything sour, now asks for what she calls "sugar-top grapefruit" every weekend morning.

Smart Ingredient Choices

  • Grapefruit: Go for pink or ruby red ones since they're sweeter than the white kind
  • Brown Sugar: The dark type gives you those yummy caramel flavors and makes a nice crust
  • Cinnamon: Grinding it fresh really steps up the taste
  • Sea Salt: Just a few bits of good salt brings out both the sweetness and depth
  • Extra Toppings: Try some fresh mint or a spoon of yogurt for extra zing
Caramelized baked grapefruit with a hint of brown sugar and cinnamon, a sweet and tangy breakfast or snack Pin it
Caramelized baked grapefruit with a hint of brown sugar and cinnamon, a sweet and tangy breakfast or snack | cookbybook.com

Step-By-Step Guide

Getting The Fruit Ready (5 minutes):
Cut your grapefruit across the middle. Run a serrated knife around the edge. Make cuts between all the segments. Dab the top with paper towels to get rid of moisture. Set them on a baking sheet with edges.
Adding The Sweet Stuff (2 minutes):
Cover each half generously with brown sugar. Don't be stingy – you need enough for good caramelization. Add a light sprinkle of cinnamon. Let it sit briefly so the sugar starts melting a bit.
Under The Heat (3-5 minutes):
Put your oven rack about 6 inches from the broiler. Keep an eye on it as the sugar starts to bubble. Turn the pan if needed for even browning. Take it out when the sugar looks caramelized but not burnt.
Last Touches (1 minute):
Cool slightly before handling. Sprinkle with a tiny bit of sea salt. Add any extra toppings you like. Enjoy while it's still warm.

I'll never forget making this for my grandma who always ate her grapefruit plain with nothing on it. Seeing her face light up when she tasted the warm, sugary version was absolutely wonderful.

There's something really calming about making this – carefully cutting the fruit, sprinkling on the sugar, and watching everything transform under the heat. It takes an ordinary breakfast and turns it into a peaceful little moment.

Caramelized baked grapefruit with a hint of brown sugar and cinnamon, a sweet and tangy breakfast or snack Pin it
Caramelized baked grapefruit with a hint of brown sugar and cinnamon, a sweet and tangy breakfast or snack | cookbybook.com

Last Thoughts: This warm grapefruit shows that sometimes the easiest things make the biggest impression. It reminds us that just a few minutes of effort can change basic ingredients into something really special. Whether you're enjoying it quietly by yourself or sharing with friends at brunch, this dish adds a touch of warmth and elegance to any morning.

Frequently Asked Questions

→ What’s the result of baking vs broiling the grapefruit?
At 400°F, baking softens everything, taking 15-18 minutes. Broiling for 6-8 minutes focuses on caramelizing the top, leaving the inside firmer.
→ How does salt improve the flavor here?
Flaky sea salt brings out the sweetness, cuts through bitterness, and adds a hint of crunchy texture.
→ Can this be prepped beforehand?
You can cut and score the fruit early. But wait to add the sugar and seasoning until just before cooking.
→ What can I swap for brown sugar?
Try honey, maple syrup, or white sugar for a twist in flavor.
→ When’s the fruit done cooking?
It’s ready when baking softens the fruit fully or broiling creates a melted, golden sugar topping.

Baked Grapefruit Treat

Halved grapefruits sprinkled with cinnamon and brown sugar, then warmed to create a cozy breakfast or brunch option. Enjoy soft textures and caramelized sweetness.

Prep Time
2 Minutes
Cook Time
8 Minutes
Total Time
10 Minutes
By: Susan

Category: Desserts

Difficulty: Easy

Cuisine: American

Yield: 4 Servings

Dietary: Low-Carb, Vegan, Vegetarian, Gluten-Free, Dairy-Free

Ingredients

→ Key Ingredients

01 Pinch of flaky sea salt (Maldon works great)
02 1/2 teaspoon cinnamon
03 1/4 cup (50 grams) brown sugar
04 2 grapefruits, halved

Instructions

Step 01

Figure out if you'll broil (quicker, with caramelized tops and firmer fruit) or bake (longer but gives a softer texture that’s warmed through).

Step 02

Turn the oven to 400°F for baking or switch the broiler to high if broiling.

Step 03

Trim a tiny piece off the bottom of each grapefruit half to keep them steady. Loosen up the sections by cutting around them, then arrange the halves on a baking tray.

Step 04

Dust each grapefruit half with cinnamon and drop about a tablespoon of brown sugar on top.

Step 05

Broil for 6-8 minutes until the sugar bubbles and melts. If baking, cook for 15-18 minutes at 400°F.

Step 06

Sprinkle a bit of flaky sea salt before serving. Serve chilled or warm, however you like it.

Notes

  1. Cooking grapefruits in the oven softens the tartness and turns it sweeter. The longer they’re in, the gentler the flavor.
  2. Swap out brown sugar for white sugar, maple syrup, or honey to try different tastes.
  3. Adding some flaky sea salt makes flavors pop by cutting through bitterness and boosting sweetness, plus it adds crunch.

Tools You'll Need

  • Sharp knife
  • Tray for baking

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 53
  • Total Fat: ~
  • Total Carbohydrate: 14 g
  • Protein: 1 g