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Brown Butter Iced Oatmeal Cookies


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  • Author: Mia
  • Total Time: ~3 hours 25 minutes
  • Yield: 24 cookies
  • Diet: Vegetarian

Description

These cozy cookies feature nutty brown butter, spiced oats, and a sweet vanilla glaze—perfectly chewy with a nostalgic old-fashioned twist.


Ingredients

Cookies:

1¼ cups (282 g) unsalted butter

2 cups (190 g) old-fashioned oats (pulsed into coarse crumbs)

2 cups + 4 Tbsp (280 g) all-purpose flour

2 tsp baking soda

2 tsp ground cinnamon

½ tsp ground nutmeg

1½ tsp salt

1 cup (200 g) packed light brown sugar

1 cup (200 g) granulated sugar

2 large eggs

2 tsp vanilla extract

2 Tbsp molasses

Glaze:

2 cups powdered sugar

3 Tbsp milk or heavy cream

¼ tsp vanilla extract


Instructions

Brown the butter in a saucepan until golden and nutty, then cool for 20 minutes.

Pulse oats in a food processor to coarse crumbs.

In a bowl, whisk flour, baking soda, cinnamon, nutmeg, and salt.

Combine brown butter, both sugars, eggs, vanilla, and molasses until smooth.

Fold in dry ingredients and oats—do not overmix.

Scoop dough into balls, cover, and chill at least 3 hours or overnight.

Preheat oven to 350 °F (175 °C). Line baking sheets with parchment.

Bake chilled dough balls 9–10 minutes, until edges are golden. Cool on sheets 5–10 minutes.

Whisk glaze ingredients until smooth. Dip cooled cookies in glaze and let set ~2 hours.

Notes

Add nuts or ground ginger for flavor variation.

Use plant-based butter for a dairy-free option.

Chill the dough to control spread and enhance chewiness.

  • Prep Time: 15 minutes (+ chill)
  • Cook Time: 10 minutes
  • Category: Dessert
  • Method: Baking
  • Cuisine: American