Walnut Oh Henry Bars are a beloved no-bake dessert featuring a rich caramel-like walnut filling layered between graham crackers and topped with a smooth vanilla frosting. These bars are soft, chewy, slightly crunchy, and incredibly satisfying.
Often made during the holiday season, they’re easy to prepare ahead of time and taste even better after chilling.
Why You’ll Love This Recipe
- No baking required
- Rich caramel-like filling with crunchy walnuts
- Perfect make-ahead dessert
- Creamy frosting with soft graham cracker layers
Ingredients
For the Bars
- Graham crackers (enough for two full layers in a 9×13-inch pan)
- 1½ cups brown sugar
- ¾ cup butter
- ¾ cup milk
- 2 teaspoons vanilla extract
- 1½ cups chopped walnuts
- 1½ cups shredded coconut
- 2 cups graham cracker crumbs
For the Frosting
- 2 cups powdered sugar
- ⅓ cup butter, softened
- 2 teaspoons vanilla extract
- 3–4 tablespoons milk
Instructions
1. Prepare the Pan
Line the bottom of a 9×13-inch pan with a layer of graham crackers.
2. Make the Filling
In a saucepan over medium heat, combine brown sugar, butter, milk, and vanilla extract.
Bring to a gentle boil while stirring constantly. Continue cooking for about 5 minutes until slightly thickened.
3. Add the Mix-Ins
Remove from heat and stir in chopped walnuts, shredded coconut, and graham cracker crumbs.
Mix until fully combined.
4. Assemble the Layers
Spread the warm filling evenly over the graham cracker base.
Top with another layer of graham crackers and press lightly.
5. Chill
Let the bars cool, then refrigerate for at least 3 hours until firm.
6. Make the Frosting
Beat together powdered sugar, butter, vanilla extract, and milk until smooth and spreadable.
7. Finish the Bars
Spread the frosting evenly over the chilled bars.
Top with extra chopped walnuts if desired.
8. Slice and Serve
Cut into squares or bars and serve chilled.
Texture & Flavor
These bars are soft and chewy with a rich caramel flavor, crunchy walnuts, and a creamy frosting layer. The graham crackers soften slightly, creating a delicious layered texture.
Tips for Best Results
- Toast walnuts for extra flavor
- Chill thoroughly before slicing
- Use parchment paper for easier removal
- Cut with a warm knife for cleaner bars
How to Store
- Refrigerator: Store in an airtight container for up to 1 week
- Freezing: Freeze for up to 2 months
- Serving tip: Best enjoyed chilled
A Classic Homemade Treat
These bars are a favorite for holidays and family gatherings because they’re simple to make, easy to store, and always crowd-pleasing.
Walnut Oh Henry Bars are a rich, nostalgic dessert packed with flavor and texture. With their creamy frosting, chewy filling, and crunchy walnuts, they’re a timeless no-bake treat everyone will love.
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