Toasted Coconut Macadamia Nut Blondies (Brown Butter & Fudgy)

Most macadamia nut blondies taste like a pale sugar cookie with nuts thrown in — this version fixes that with brown butter, coconut toasted right alongside the nuts, and a whisper of espresso powder to cut the sweetness. The result is a blondie that's fudgy in the middle, deeply caramelized at the edges, and actually tastes like something.

Simple, everyday ingredients and clear, step-by-step instructions — every recipe made in Dorothy’s kitchen before it reaches yours. Jump to the full recipe card below.

The problem with most macadamia nut blondies is that macadamias are mild and buttery on their own, so if everything else in the pan is just as soft-flavored — melted butter, white sugar, plain vanilla — you end up with a bar that’s sweet but forgettable. The fix is to build contrast: brown the butter until it smells nutty and faintly caramel, toast the coconut and the macadamias together on the same sheet pan so they pick up real color, and add a small hit of espresso powder that you won’t taste as coffee but that deepens everything else. It’s the same trick good brownie recipes use, applied to a bar that usually skips it.

Toasting the coconut and nuts together does double duty: it dries out the coconut’s residual moisture so it turns genuinely crisp instead of chewy-soggy inside the batter, and it lets the macadamias’ natural oil toast the coconut shreds from underneath, which is where a lot of the flavor actually comes from. Watch them closely after the 5-minute mark — macadamias are the fattiest tree nut, and that oil means they go from golden to burnt fast, especially the coconut shreds on top of the pile. Pull the pan the moment the coconut is honey-colored, not deep brown.

The other place people go wrong is baking these like a cake instead of a blondie. Macadamias and browned butter both push moisture out of the crumb, so if you bake to a clean toothpick you’ll get a dry, crumbly bar by the time it cools. Pull the pan when the edges are set and matte but the center still looks slightly underdone and glossy — it firms up entirely as it cools in the pan, which is where the fudgy texture actually comes from. A metal pan conducts heat faster than glass and will shave a few minutes off the bake, so check early the first time you use one.

For substitutions, coconut oil can replace up to half the butter for a more pronounced coconut flavor, though you lose some of the browned-butter depth, so I wouldn’t go further than that. White chocolate chunks are optional but a natural match for the coconut and worth adding if you want a sweeter, more dessert-forward bar; if you skip them, add a pinch more brown sugar to keep the caramel notes from feeling thin.

Frequently Asked Questions

Can I use raw macadamia nuts instead of roasted?

Yes, but toast them a minute or two longer in step 1 since raw nuts need more time to develop the golden color and nutty flavor that roasted ones start with.

Why did my macadamia nut blondies turn out cakey instead of fudgy?

They were likely overbaked. Pull them while the center still looks slightly underdone and glossy — they firm up entirely as they cool in the pan, and baking to a clean toothpick will dry them out.

Can I make these gluten-free?

Swap in a 1:1 gluten-free flour blend; the texture stays fudgy since the structure here comes mostly from butter, eggs, and sugar rather than gluten development.

Do I have to brown the butter?

You can use melted butter instead, but you'll lose the nutty, caramel depth that keeps these from tasting like a plain sugar cookie with nuts — it's the main flavor upgrade in this recipe.

How do I store macadamia nut blondies?

Keep them airtight at room temperature for up to 4 days, or freeze individual bars wrapped in plastic for up to 2 months.