• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Simply Home Cooking

  • Homepage
  • Recipe Index
  • Budget
  • Cheat Meal
  • Healthy
  • Keto
  • Quick
  • Vegan
  • Contact
  • About

Simply Home Cooking

  • Homepage
  • Recipe Index
  • Budget
  • Cheat Meal
  • Healthy
  • Keto
  • Quick
  • Vegan
  • Contact
  • About
Healthy / Dessert / Iced Oatmeal Cookie Bars Recipe

Iced Oatmeal Cookie Bars Recipe

May 15, 2026 by Tiffany

Jump to Recipe·Print Recipe

If you’re looking for a delightful treat that brings back warm memories and is perfect for any occasion, this Iced Oatmeal Cookie Bars Recipe is just what you need! These bars are not only easy to whip up but also offer a cozy combination of flavors that everyone will love. Whether it’s a busy weeknight dessert or a sweet addition to your next family gathering, these bars have got you covered with their moist texture and sweet vanilla glaze.

I promise you’ll find yourself making these again and again, as they are always a hit with both kids and adults alike!

Why You’ll Love This Recipe

  • Quick and Easy: With just a few simple steps, you can have these delicious bars ready in under an hour!
  • Family-Friendly: These bars are sure to please the whole family, making them a great choice for dessert or snack time.
  • Make-Ahead Convenience: They stay fresh for days, so you can bake them in advance and enjoy whenever you like.
  • Perfectly Spiced: The warm cinnamon flavor adds just the right touch to make these treats extra special.
  • Fun to Share: Their delightful appearance and taste make them ideal for sharing with friends or bringing to gatherings.
Iced

Ingredients You’ll Need

You’ll find that the ingredients for these iced oatmeal cookie bars are simple and wholesome—perfect for creating a comforting dessert at home. Gather these items, and let’s get baking!

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN
  • 1/2 cup (113 g) unsalted butter, melted and slightly cooled
  • 1 cup (95 g) old fashioned oats
  • 1 cup plus 2 tablespoons (140 g) all-purpose flour, spooned and leveled
  • 1 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 1/2 teaspoon salt
  • 1/2 cup (100 g) granulated sugar
  • 1/2 cup (100 g) light brown sugar, packed
  • 1 large egg, room temperature
  • 1 teaspoon vanilla
  • 1 tablespoon molasses (or honey)
  • 1/2 cup (60 g) powdered sugar, sifted
  • 1 to 2 tablespoons whole milk
  • 1/4 teaspoon vanilla

Variations

This recipe is wonderfully flexible! Feel free to mix things up based on what you have on hand or your personal preferences.

  • Add Nuts: Toss in some chopped walnuts or pecans for added crunch and flavor.
  • Incorporate Dried Fruit: Mix in some raisins or dried cranberries for a fruity twist that complements the spices.
  • Make It Vegan: Substitute the egg with flaxseed meal mixed with water and use plant-based butter instead.
  • Spice It Up: Experiment by adding nutmeg or ginger along with the cinnamon for an extra layer of warmth.

How to Make Iced Oatmeal Cookie Bars Recipe

Step 1: Preheat Your Oven

Begin by preheating your oven to 350°F. This crucial step ensures that your cookie bars bake evenly from start to finish. While the oven heats up, line an 8 x 8 inch baking pan with parchment paper—this will make it easy to lift out the bars once they’re baked.

Step 2: Melt the Butter

Melt the butter in a medium-sized bowl and let it cool slightly for about 10 minutes. Cooling it down prevents scrambling the egg when mixed in later. Meanwhile, pulse the oats in a food processor until they reach smaller bits—this will create a nice texture without turning them into flour.

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN

Step 3: Combine Dry Ingredients

In another bowl, whisk together the pulsed oats, flour, baking soda, cinnamon, and salt. This step is essential because combining dry ingredients evenly ensures that each bite of your cookie bar has that perfect spiced flavor.

Step 4: Mix Butter and Sugars

To your melted butter, add both granulated sugar and brown sugar. Mix on low speed (or use a whisk if you’re feeling adventurous!) until it resembles wet sand. This mixing creates air pockets that help give your bars a lovely fluffy texture.

Step 5: Add Egg and Flavorings

Next, mix in your room temperature egg followed by vanilla extract and molasses (or honey). The molasses adds depth of flavor while keeping those bars moist! Make sure everything is combined well.

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN

Step 6: Combine Wet and Dry Mixtures

Fold the dry ingredients into the wet mixture using a large spatula or wooden spoon. Be gentle here—over-mixing can lead to tough cookie bars! Stop mixing as soon as there are no more dry flecks of flour visible.

Step 7: Bake Your Bars

Transfer the dough into your prepared baking pan evenly. Bake in the preheated oven for about 20 to 24 minutes until the edges are set and golden brown on top. Keep an eye on them; overbaking can lead to dryness!

Step 8: Cool Before Icing

Once baked, remove from the oven and let cool in the pan on a wire cooling rack. Allow them to cool completely—about 1 to 2 hours—before drizzling with icing; this ensures that your glaze doesn’t melt away into puddles!

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN

Pro Tips for Making Iced Oatmeal Cookie Bars Recipe

Creating the perfect iced oatmeal cookie bars is a breeze with just a few helpful tips!

  • Use room temperature ingredients: This ensures that the butter and egg incorporate smoothly into the batter, leading to a more consistent texture throughout the bars.
  • Don’t overmix the dough: Mixing just until combined helps keep the bars soft and chewy rather than dense. Overmixing can develop gluten in the flour, making them tough.
  • Check for doneness carefully: Start checking your bars at the 20-minute mark. The edges should be set, and a toothpick inserted in the center should come out with a few moist crumbs but not wet batter.
  • Allow ample cooling time: Letting your cookie bars cool completely before icing helps prevent the glaze from melting away into the bars, allowing it to set beautifully on top.
  • Experiment with spices: If you want to switch things up, try adding nutmeg or ginger for an extra layer of flavor that complements the oats wonderfully.

How to Serve Iced Oatmeal Cookie Bars Recipe

These iced oatmeal cookie bars are deliciously versatile and can be served in various delightful ways!

Garnishes

  • Chopped nuts: Sprinkling some chopped walnuts or pecans on top adds a nice crunch and enhances the flavor profile of your bars.
  • Coconut flakes: A light dusting of toasted coconut flakes gives a tropical twist and pairs perfectly with the sweetness of the glaze.

Side Dishes

  • Fresh fruit salad: A colorful mix of seasonal fruits provides a refreshing contrast to the rich flavors of the bars and adds a healthy element to your dessert spread.
  • Greek yogurt: A small bowl of creamy Greek yogurt serves as a great dip for your bars, adding protein and tanginess that balances out their sweetness.
  • Coffee or tea: Pair these cookie bars with a warm cup of coffee or herbal tea for a comforting treat that’s perfect for any time of day.
  • Ice cream: A scoop of vanilla or cinnamon ice cream served alongside creates an indulgent dessert experience that everyone will love!
Iced

Make Ahead and Storage

These iced oatmeal cookie bars are perfect for meal prep, allowing you to whip up a batch in advance and enjoy them throughout the week!

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN

Storing Leftovers

  • Store the cooled cookie bars in an airtight container at room temperature.
  • They will stay fresh for up to 3 days.
  • If you want to keep them longer, consider freezing them.

Freezing

  • Cut the cookie bars into squares and place them in a single layer on a baking sheet.
  • Freeze until solid, then transfer to an airtight container or freezer bag.
  • They can be frozen for up to 3 months.

Reheating

  • To enjoy the cookie bars warm, preheat your oven to 350°F (175°C).
  • Place the desired number of squares on a baking sheet and heat for about 5-10 minutes until warmed through.

FAQs

Can I make this Iced Oatmeal Cookie Bars Recipe without eggs?

Yes! You can substitute the egg with a flaxseed meal mixture (1 tablespoon ground flaxseed mixed with 2.5 tablespoons water) or use applesauce as an alternative.

How long do I need to cool the Iced Oatmeal Cookie Bars Recipe before icing?

It’s best to let the cookie bars cool for about 1 to 2 hours until they reach room temperature before adding the icing. This ensures that it doesn’t melt off.

Can I use quick oats instead of old-fashioned oats?

While old-fashioned oats provide a chewier texture, you can use quick oats if that’s what you have on hand. Just keep in mind that the texture may be slightly different.

REMEMBER

WANT TO SAVE THIS RECIPE? CLICK BELOW AND PIN IT

PIN

Final Thoughts

I hope you find joy in making these iced oatmeal cookie bars! They’re not only delightful treats but also a wonderful way to share love with family and friends. Enjoy every bite, and don’t hesitate to try your own variations. Happy baking!

Print

Iced Oatmeal Cookie Bars

Iced Oatmeal Cookie Bars Recipe
Print Recipe

5 Stars 4 Stars 3 Stars 2 Stars 1 Star

No reviews

Indulge in the nostalgic flavors of these Iced Oatmeal Cookie Bars, a perfect treat for any occasion. These delightful bars are easy to make and feature a tender texture complemented by a sweet vanilla glaze. Packed with wholesome ingredients, they offer a cozy warmth from cinnamon that makes them irresistible to both kids and adults alike. Whether you’re looking for a quick dessert after dinner or a sweet addition to your next family gathering, these bars are sure to be a hit! With their simple preparation and make-ahead convenience, you’ll find yourself reaching for this recipe time and time again.

  • Author: Tiffany
  • Prep Time: 15 minutes
  • Cook Time: 24 minutes
  • Total Time: 39 minutes
  • Yield: Approximately 16 servings 1x
  • Category: Dessert
  • Method: Baking
  • Cuisine: American

Ingredients

Scale
  • 1/2 cup unsalted butter, melted
  • 1 cup old-fashioned oats
  • 1 cup all-purpose flour
  • 1 teaspoon baking soda
  • 1 teaspoon cinnamon
  • 1/2 teaspoon salt
  • 1/2 cup granulated sugar
  • 1/2 cup light brown sugar
  • 1 large egg
  • 1 teaspoon vanilla extract
  • 1 tablespoon molasses or honey
  • 1/2 cup powdered sugar, sifted
  • 1 to 2 tablespoons whole milk
  • 1/4 teaspoon vanilla

Instructions

  1. Preheat oven to 350°F (175°C) and line an 8×8 inch baking pan with parchment paper.
  2. Melt the butter and let it cool slightly. Pulse the oats in a food processor until they are smaller bits.
  3. In a bowl, whisk together oats, flour, baking soda, cinnamon, and salt.
  4. Mix melted butter with granulated sugar and brown sugar until it resembles wet sand.
  5. Add the egg, vanilla, and molasses; mix well.
  6. Fold the dry mixture into the wet mixture gently until combined.
  7. Spread dough evenly in the prepared pan and bake for 20-24 minutes until golden brown.
  8. Cool completely before icing with powdered sugar mixed with milk and vanilla.

Nutrition

  • Serving Size: 1 serving
  • Calories: 180
  • Sugar: 10g
  • Sodium: 90mg
  • Fat: 7g
  • Saturated Fat: 4g
  • Unsaturated Fat: 3g
  • Trans Fat: 0g
  • Carbohydrates: 28g
  • Fiber: 1g
  • Protein: 2g
  • Cholesterol: 30mg

Did you make this recipe?

Share a photo and tag us — we can't wait to see what you've made!

« Previous Post
Steak With Haunted Bourbon Garlic Cream Sauce
Next Post »
Sizzling Bacon Cheeseburger Queso Dip

If you enjoyed this…

Taco Pizza Appetizer: A Delightful Fusion of Flavors

Taco Pizza Appetizer: A Delightful Fusion of Flavors

Creamy Buffalo Chicken Cauliflower Casserole Recipe

Creamy Buffalo Chicken Cauliflower Casserole Recipe

Hibachi Steak Bowls

Hibachi Steak Bowls

Reader Interactions

Leave a Comment Cancel reply

Helpful comments include feedback on the post or changes you made.

Recipe rating 5 Stars 4 Stars 3 Stars 2 Stars 1 Star

Primary Sidebar

Browse by Diet

HealthyCheat MealKetoQuickVeganBudget
Smoked jalapeño poppers pigs in a blanket

Smoked jalapeño poppers pigs in a blanket

Grilled Shrimp Bowl with Avocado, Corn Salsa & Creamy Sauce

Grilled Shrimp Bowl with Avocado, Corn Salsa & Creamy Sauce

Honey Peach & White Cheddar Grilled Cheese

Honey Peach & White Cheddar Grilled Cheese

  • Disclaimer
  • Terms and Conditions
  • Privacy Policy
  • Contact
  • About

© 2026 · © Simply Home Cooking · All Rights Reserved · Created by Tiffany ·