Cinnamon Swirl Oatmeal Blondies (Printable Version)
Golden blondies packed with oats and cinnamon swirl—sweet, chewy, and perfect for sharing any time.
# What You'll Need:
→ Blondie Batter
01 - 1 cup unsalted butter, melted and slightly cooled
02 - 1 cup light brown sugar, packed
03 - 1/2 cup granulated sugar
04 - 2 large eggs
05 - 2 teaspoons vanilla extract
06 - 1 1/2 cups all-purpose flour
07 - 1 cup old-fashioned rolled oats
08 - 1/2 teaspoon baking powder
09 - 1/2 teaspoon baking soda
10 - 1/2 teaspoon salt
→ Cinnamon Swirl
11 - 1/3 cup light brown sugar, packed
12 - 1 1/2 teaspoons ground cinnamon
13 - 2 tablespoons unsalted butter, melted
# Steps to Follow:
01 - Preheat oven to 350°F. Line a 9x9-inch baking pan with parchment paper, leaving some overhang for easy removal.
02 - In a large mixing bowl, whisk together melted butter, light brown sugar and granulated sugar until fully incorporated.
03 - Blend in eggs and vanilla extract, whisking until smooth and homogenized.
04 - Fold in all-purpose flour, rolled oats, baking powder, baking soda and salt, gently mixing until just combined. Avoid overmixing.
05 - In a separate small bowl, mix together light brown sugar, ground cinnamon and melted butter to create a thick paste.
06 - Spread half of the blondie batter evenly into prepared pan.
07 - Drop half of the cinnamon paste in small dollops over the batter and gently swirl with a knife or skewer for a marbled effect.
08 - Spread remaining blondie batter evenly over swirled base.
09 - Dollop and swirl the rest of the cinnamon mixture across the surface.
10 - Transfer pan to oven and bake for 25–28 minutes, until edges are golden and a toothpick inserted in the center comes out with a few moist crumbs.
11 - Allow to cool completely in the pan before lifting out with parchment overhang and slicing into squares.
# Additional Tips::
01 -
- Wholesome oats combined with sweet cinnamon provide cozy flavor.
- Easy enough for weeknights, impressive enough for gatherings.
02 -
- Use parchment paper for easier pan removal and less clean-up.
- Recipe contains wheat, eggs, and dairy. Choose gluten-free oats if desired.
03 -
- Add ½ cup chopped pecans or walnuts for crunch.
- Serve warm with vanilla ice cream for an extra cozy treat.