Can I make this ahead of time?

Yes. This recipe is forgiving for make-ahead baking. Store cooled bars in an airtight container at room temperature for up to three days, or freeze individually wrapped bars for up to three months. The flavors settle and often improve after a day of storage.

Will browning the butter change the texture?

Browning deepens flavor and concentrates butter solids but does not dramatically change how the batter bakes. Expect a slightly richer, nuttier note and a tender crumb. The texture remains chewy with crisp edges as long as you follow the cooling step before mixing with eggs.

Can I swap the M&M's for other mix-ins?

Absolutely. Chocolate chips, toasted nuts, or toffee bits all work well. Keep the total add-ins to about 1 cup to maintain the intended texture and bake profile. Different mix-ins may slightly alter moisture, so watch baking time closely.

How do I tell when the blondies are done?

Look for set edges and a softly set center. A toothpick inserted in the center should come out mostly clean with just a few moist crumbs. The top will be lightly golden and spring back gently to the touch. Overbaking creates dry bars.

What if my edges brown faster than the center?

This can happen in smaller or hotter ovens. Tent the pan with foil and continue baking for a few minutes, or move the pan to a lower rack to encourage even cooking. Rotating the pan halfway through also helps distribute heat.

Can I use salted butter instead of unsalted?

You can, but reduce the added salt to 1/4 teaspoon to avoid oversalting. Unsalted butter gives you better control over the final flavor balance, especially since browning concentrates all flavors including salt.

Browned Butter Blondie 2026 - Easy Fresh Recipes

Description

Delicious Browned Butter Blondies with golden edges, a tender center, and the cheerful sparkle of M&M’s.

Ingredients

Scale

1 cup unsalted butter
1 1/2 cups brown sugar
1/2 cup granulated sugar
2 large eggs
2 teaspoons vanilla extract
2 cups all-purpose flour
1 teaspoon baking soda
1/2 teaspoon salt
1 cup M&M’s

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Instructions

Preheat your oven to 350°F (175°C) and grease a 9×13 inch baking dish.
Melt the butter in a saucepan over medium heat until browned and nutty, then let it cool slightly.
In a large bowl, combine the browned butter, brown sugar, and granulated sugar, mixing until well combined.
Add the eggs one at a time, mixing well after each addition, then stir in the vanilla extract.
In another bowl, whisk together the flour, baking soda, and salt. Gradually mix the dry ingredients into the wet ingredients until just combined.
Fold in the M&M’s.
Pour the batter into the prepared baking dish and smooth the top, sprinkling some reserved M&M’s on top for decoration.
Bake for about 25-30 minutes, or until a toothpick inserted in the center comes out clean.
Let cool before cutting into bars and serving.

Notes

These blondies can be stored in an airtight container at room temperature for up to three days. For longer storage, freeze individual bars tightly wrapped for up to three months.

Nutrition

Serving Size: 1 bar
Calories: 280
Sugar: 20g
Sodium: 150mg
Fat: 12g
Saturated Fat: 7g
Unsaturated Fat: 4g
Trans Fat: 0g
Carbohydrates: 36g
Fiber: 1g
Protein: 3g
Cholesterol: 40mg