If you’re searching for a treat that wraps up all the comfort of grandma’s kitchen in one sweet, gooey bite, you absolutely have to try these Oatmeal Fudge Bars. Imagine layers of chewy oat cookie dough hugging a melt-in-your-mouth fudge center — the kind of dessert that beckons from the kitchen counter and rarely makes it through the weekend. Easy enough for a weekday yet impressive for a crowd, these bars strike the perfect balance between wholesome oats and decadent chocolate. Trust me, one batch and you’ll see why Oatmeal Fudge Bars have earned a spot among my favorite sweet indulgences!
Ingredients You’ll Need

Ingredients You’ll Need
The magic of Oatmeal Fudge Bars lies in the way a handful of simple, familiar ingredients come together to create something downright irresistible. Each component has a special role — from the richness of butter to the satisfying bite of oats and the irresistible meltiness of chocolate. Here’s what you’ll need, plus a quick tip for each item:
- Unsalted butter (1 cup, softened): For a rich, tender crumb and that classic cookie taste.
- Packed brown sugar (2 cups): Adds caramel notes and extra chewiness to the oat layers.
- Large eggs (2): These bind everything together and create a lovely texture.
- Vanilla extract (2 teaspoons + 1 teaspoon): Divided for both layers to deepen those homey, sweet flavors.
- Old-fashioned oats (2 ½ cups): Use whole rolled oats for extra chew and classic oatmeal bar structure.
- All-purpose flour (2 cups): The backbone of your dough, giving the bars their structure without dryness.
- Baking soda (1 teaspoon): Ensures the bars rise just enough for a tender bite.
- Salt (½ teaspoon): Just a touch brightens all the flavors and keeps the sweetness in check.
- Sweetened condensed milk (1 14-ounce can): Creates that unforgettable creamy, luscious fudge layer.
- Semi-sweet chocolate chips (2 cups): Choose good-quality chips for a truly luxurious chocolate experience.
- Unsalted butter (2 tablespoons): Melts into the fudge filling for extra silkiness and richness.
How to Make Oatmeal Fudge Bars
Step 1: Prep Your Pan and Oven
Start by preheating your oven to 350°F (175°C). Lightly grease a 9×13-inch baking pan so your Oatmeal Fudge Bars come out clean and beautiful. Taking this step now gives your dough an even place to land and means you won’t be fumbling with parchment later.
Step 2: Cream Butter and Sugar
In a large bowl, blend the softened butter and brown sugar until light and fluffy. This is where the magic begins, and the air you whip in gives your bars an inviting, soft crumb. I love watching the mixture go from sandy to creamy in just a few minutes!
Step 3: Add Eggs and Vanilla
Beat in the eggs one at a time, making sure each is fully incorporated, then mix in the first portion of vanilla extract. This not only binds your dough but deepens the flavor, creating a luscious foundation for your bars.
Step 4: Stir in Dry Ingredients
Gently fold in the oats, all-purpose flour, baking soda, and salt. Don’t overmix here — just combine everything until no flour streaks remain. You’ll notice the dough becomes thick and hearty, and that means you’re on the right track.
Step 5: Press the Oat Layer
Scoop about two-thirds of the oat mixture into your prepared pan and press it in evenly. Use your hands or a spatula to create a flat, sturdy base. Hold onto the rest for that irresistible crumble topping!
Step 6: Make the Fudge Filling
In a small saucepan over low heat, combine sweetened condensed milk, chocolate chips, 2 tablespoons butter, and the second portion of vanilla extract. Stir constantly until the chocolate is completely melted and the mixture turns into a silky, glossy fudge. The aroma will practically wrap you in a chocolatey hug!
Step 7: Layer and Crumble
Pour the warm fudge over your oat base, using a spatula to spread it evenly. Then, crumble the remaining oat dough over the top so you have those golden chunks dotting the surface. They’ll bake up into the perfect mix of crunchy and chewy.
Step 8: Bake to Perfection
Slide your pan into the oven and bake for 25 to 30 minutes, or until the top is lightly golden. The bars will firm up as they cool, so don’t worry if the fudge layer still jiggles slightly when you pull them out.
Step 9: Cool and Slice
Let your Oatmeal Fudge Bars cool completely in the pan before cutting. That patience pays off with super clean slices and gorgeously layered bars. Trust me on this — it’s absolutely worth the wait!
How to Serve Oatmeal Fudge Bars
Garnishes
A classic approach is simply a dusting of powdered sugar for a touch of elegance, but these bars also love a drizzle of melted chocolate or a sprinkle of flaky sea salt to set off the fudge. If you want them to look bakery-perfect, try topping with a few chocolate shavings or some toasted chopped nuts — both play up the indulgent vibe.
Side Dishes
Since Oatmeal Fudge Bars are rich and satisfying on their own, pair them with something light and refreshing — think fresh berries, a scoop of vanilla frozen yogurt, or even just a nice cup of strong coffee or hot chocolate. Together, those combos make dessert time feel extra special (and yes, I’ve served them for brunch with a side of fruit salad!).
Creative Ways to Present
For parties or bake sales, try cutting the bars into smaller squares or triangles for bite-sized treats. Stack them on a pretty platter, or wrap each bar in parchment and tie with twine for lunchbox or gift-ready treats. If you’re feeling extra festive, serve warm bars with a scoop of vanilla ice cream and a drizzle of caramel.
Make Ahead and Storage
Storing Leftovers
Store leftover Oatmeal Fudge Bars in an airtight container at room temperature for up to 4 days. The bars stay chewy and just as irresistible, and a quick zap in the microwave brings that fresh-baked coziness right back. Layer parchment between bars to prevent sticking if you’re stacking them.
Freezing
To freeze, simply wrap individual bars tightly in plastic wrap, then pop them in a freezer-safe bag or airtight container. They’ll keep beautifully for up to 3 months. Thaw them at room temperature for an easy grab-and-go treat whenever your chocolate craving strikes.
Reheating
If you love that fresh-from-the-oven experience, you can gently reheat Oatmeal Fudge Bars in the microwave for about 15 seconds, or warm them on a baking sheet at 300°F for just 5 minutes. The fudge will soften a bit and the oat topping will regain some of its lovely chew.
FAQs
Can I use quick oats instead of old-fashioned oats?
While you can substitute quick oats in a pinch, the texture of Oatmeal Fudge Bars truly shines with old-fashioned oats. Quick oats will create a softer, less chewy bite while old-fashioned oats keep the structure hearty and satisfying.
Can I add nuts or other mix-ins?
Absolutely! Chopped walnuts, pecans, or even shredded coconut make delicious additions to the oat layer. Just stir in your favorites before pressing the base into the pan for a custom twist.
Do Oatmeal Fudge Bars need to be refrigerated?
No refrigeration needed — they keep well at room temperature in an airtight container. If your kitchen is very warm, though, you can pop them in the fridge to help the fudge stay set.
How do I make cleaner cuts for serving?
Let the bars cool completely before slicing, then use a sharp knife wiped clean between each cut. For extra precision, you can even chill them first, which helps the fudge layer stay tidy and beautiful.
Can I double this recipe for a crowd?
Yes! Just double everything and bake in two 9×13-inch pans or one large sheet pan if you have it. Make sure to check doneness in the center since larger batches may need a couple extra minutes.
Final Thoughts
There’s something downright heartwarming about sharing a batch of Oatmeal Fudge Bars — they never fail to impress and always disappear fast. I can’t wait for you to experience those gooey, chocolate-filled layers with just the right amount of oatty chew. Give them a try, and watch as they become a new favorite in your dessert lineup!
Print
Oatmeal Fudge Bars Recipe
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Yield: 24 bars
- Category: Dessert
- Method: Baking
- Cuisine: American
- Diet: Vegetarian
Description
Indulge in the irresistible combination of chocolate fudge and oatmeal with these delicious Oatmeal Fudge Bars. A perfect treat for any occasion!
Ingredients
Oat Mixture:
- 1 cup unsalted butter, softened
- 2 cups packed brown sugar
- 2 large eggs
- 2 teaspoons vanilla extract
- 2 ½ cups old-fashioned oats
- 2 cups all-purpose flour
- 1 teaspoon baking soda
- ½ teaspoon salt
Chocolate Fudge Layer:
- 1 (14-ounce) can sweetened condensed milk
- 2 cups semi-sweet chocolate chips
- 2 tablespoons unsalted butter
- 1 teaspoon vanilla extract
Instructions
- Preheat the oven: Preheat the oven to 350°F (175°C) and grease a 9×13-inch baking pan.
- Cream butter and sugar: In a large bowl, cream together 1 cup of butter and brown sugar until light and fluffy.
- Add eggs and vanilla: Beat in the eggs and 2 teaspoons vanilla extract.
- Mix dry ingredients: Stir in the oats, flour, baking soda, and salt until fully combined.
- Prepare base: Press about two-thirds of the oat mixture into the prepared baking pan.
- Make fudge layer: In a saucepan over low heat, combine sweetened condensed milk, chocolate chips, 2 tablespoons butter, and 1 teaspoon vanilla extract. Stir until smooth.
- Layer and bake: Pour the chocolate fudge layer over the oat base, crumble the remaining oat mixture on top, and bake for 25–30 minutes until golden.
- Cool and serve: Allow to cool completely before cutting into bars.
Notes
- For a richer flavor, try using dark chocolate chips.
- You can add chopped nuts like walnuts or pecans to the oat mixture for extra crunch.
Nutrition
- Serving Size: 1 bar
- Calories: 260
- Sugar: 23g
- Sodium: 100mg
- Fat: 12g
- Saturated Fat: 7g
- Unsaturated Fat: 4g
- Trans Fat: 0g
- Carbohydrates: 36g
- Fiber: 2g
- Protein: 3g
- Cholesterol: 25mg