Easy Festive Christmas Bars

Featured in Sweet Moments of Joy.

These festive bars feature a crunchy graham cracker crust infused with cocoa and powdered sugar, lending a rich base. Melted butter and sweetened condensed milk bring moistness, while mini marshmallows and chocolate chips add gooey texture and bursts of sweetness. Optional nuts give a subtle crunch and depth. Baked until edges set and center is firm, then fully cooled before cutting, these bars make a convenient, crowd-pleasing holiday option that balances creamy, crunchy, and sweet flavors.

Barbara Chef
Updated on Tue, 25 Nov 2025 17:28:03 GMT
A dessert with cherries on top. Pin it
A dessert with cherries on top. | gracefulflavors.com

These Christmas bars bring together a perfect blend of festive flavors and textures with a graham cracker crust, chocolate, marshmallows, and sweetened condensed milk that create a rich and gooey treat. They are ideal for holiday gatherings when you want something simple to make yet impressive enough to share with family and friends.

Ingredients

  • Graham cracker crumbs: for a crunchy and slightly sweet base try to use fresh crumbs for best texture
  • Unsweetened cocoa powder: to add chocolate flavor without sweetness use a good quality powder for richer taste
  • Powdered sugar: blends easily into the crust giving sweetness without graininess
  • Unsalted butter: melted helps bind the crust and adds richness use real butter not substitutes
  • Sweetened condensed milk: makes the bars fudgy and adds creamy sweetness
  • Mini marshmallows: create little pockets of gooey softness throughout the bars
  • Chocolate chips: add bursts of smooth chocolate good quality semisweet or milk chocolate works well
  • Chopped nuts: optional for crunch and contrast I like walnuts or pecans well toasted

Step-by-Step Instructions

Preheat the oven:
Set your oven temperature to 350 degrees Fahrenheit or 175 degrees Celsius to prepare for baking
Mix the dry ingredients:
In a large bowl combine the graham cracker crumbs unsweetened cocoa powder and powdered sugar stirring until these are evenly distributed
Add the wet ingredients:
Pour in the melted butter and sweetened condensed milk then stir gently until the mixture comes together evenly without dry spots
Fold in the mix-ins:
Add the mini marshmallows chocolate chips and chopped nuts if using fold in carefully to keep the marshmallows intact and evenly spread throughout
Prepare the pan and spread the batter:
Grease a baking pan or line it with parchment paper for easy removal then spread the mixture into the pan pressing lightly to even the surface
Bake the bars:
Place in the preheated oven and bake for twenty five to thirty minutes until the edges are set and the center becomes slightly firm but still soft to the touch
Cool completely before cutting:
Remove the pan from oven and allow it to cool fully to set the texture before cutting into squares to avoid messy slices
A slice of cake with red cherries on top. Pin it
A slice of cake with red cherries on top. | gracefulflavors.com

Storage Tips

Store your Christmas bars in an airtight container at room temperature and they will stay fresh for up to five days. If you want to keep them longer wrap tightly and freeze for up to two months then thaw at room temperature before serving.

Ingredient Substitutions

You can swap graham crackers for digestive biscuits or even crushed cookies for a different base flavor. Dark chocolate chunks work beautifully if you prefer less sweetness and shredded coconut can be added in place of nuts for a tropical touch.

Serving Suggestions

These bars are perfect served with a hot cup of cocoa or mulled cider during holiday parties. They also pair nicely with a scoop of vanilla ice cream when you want a fancier dessert presentation.

Cultural Context

The sweetened condensed milk and marshmallow combination is a popular staple in many American holiday desserts like seven layer bars or magic bars. They evoke that classic festive feeling often tied to nostalgic family gatherings.

A slice of cake with cherries on top. Pin it
A slice of cake with cherries on top. | gracefulflavors.com

Frequently Asked Questions

→ What crust is used for these bars?

A graham cracker crumb crust mixed with cocoa powder and powdered sugar forms the flavorful base of the bars.

→ Can I add nuts to these bars?

Yes, chopped nuts can be folded in to add crunch and enhance texture, but this is optional.

→ How do I prevent the bars from sticking to the pan?

Greasing the baking pan or lining it with parchment paper ensures easy removal of the bars after baking.

→ What is the baking time and temperature?

The bars bake at 350°F (175°C) for 25-30 minutes until edges are set and the center feels slightly firm.

→ Why is it important to cool the bars completely before cutting?

Cooling allows the bars to set properly, preventing them from crumbling or losing shape when sliced.

→ Can I customize these bars with other ingredients?

Yes, adding dried fruit or shredded coconut can give a personalized twist to the bars’ flavor and texture.

Festive Christmas Bars

Festive bars combining graham cracker crust, chocolate, marshmallows, and sweetened condensed milk for holiday treats.

Prep Time
20 Minutes
Cook Time
30 Minutes
Total Time
50 Minutes
By: Barbara


Difficulty: Easy

Cuisine: American

Yield: 16 Servings (16-24 bars)

Dietary: Vegetarian

Ingredients

→ Crust and Base

01 2 cups graham cracker crumbs (200 g)
02 ¼ cup unsweetened cocoa powder (25 g)
03 1½ cups powdered sugar (180 g)
04 ¾ cup unsalted butter, melted (170 g)
05 1 can sweetened condensed milk (14 oz / 397 g)

→ Toppings and Mix-ins

06 3 cups mini marshmallows (150 g)
07 1½ cups chocolate chips (270 g)
08 ½ cup chopped nuts, optional (60 g)

Instructions

Step 01

Preheat the oven to 350°F (175°C).

Step 02

In a large mixing bowl, whisk together graham cracker crumbs, unsweetened cocoa powder, and powdered sugar until evenly blended.

Step 03

Pour melted unsalted butter and sweetened condensed milk into the dry mixture; stir thoroughly until fully combined.

Step 04

Gently fold in mini marshmallows, chocolate chips, and optional chopped nuts until evenly distributed throughout the batter.

Step 05

Lightly grease a baking pan and spread the mixture evenly inside, smoothing the surface.

Step 06

Bake in the preheated oven for 25 to 30 minutes, until edges are firm and the center is slightly set but still soft.

Step 07

Allow bars to cool completely in the pan before cutting into squares to ensure clean slices.

Notes

  1. Ensure butter is fully melted before incorporating to achieve proper texture.
  2. Line the baking pan with parchment paper for easier removal.
  3. Cooling completely before slicing prevents crumbling and maintains shape.
  4. Experiment with additional mix-ins such as dried fruit or shredded coconut for variation.

Tools You'll Need

  • Large mixing bowl
  • Measuring cups and spoons
  • Baking pan
  • Spatula or mixing spoon

Allergy Information

Please check ingredients for potential allergens and consult a health professional if in doubt.
  • Contains dairy, nuts, and gluten (graham crackers).

Nutrition Facts (Per Serving)

It is important to consider this information as approximate and not to use it as definitive health advice.
  • Calories: 300
  • Total Fat: 15 g
  • Total Carbohydrate: 35 g
  • Protein: 4 g