Santa’s Trash Cookie Bars are a joyful mash-up of sweet, salty, and crunchy — perfect for holiday parties, school snacks, or a cozy night in. These bars combine buttery cookie dough with chocolate chips, M&M’s, nuts, and crushed pretzels for a playful texture and bright color. They smell buttery and chocolatey while baking and come out golden with a slightly crisp edge and a soft, chewy center. If you like quick, no-fuss desserts, you might also enjoy this easy 3-step Oreo cookie dump cobbler that puts a twist on classic cookie desserts.
Recipe Information
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Total Time: 50 minutes
- Servings: 12 bars
- Difficulty Level: Easy
Nutrition Information
(Approximate per serving; values will vary with exact brands and optional mix-ins)
- Calories per serving: 575 kcal
- Protein: 7 g
- Carbohydrates: 73 g
- Fat: 33 g
- Fiber: 3 g
- Sugar: 40 g
- Sodium: 250 mg
Why Make This Santa’s Trash Cookie Bars
These bars are fast, festive, and flexible. They bring holiday colors with M&M’s, deliver a satisfying crunch from pretzels, and keep a tender, chewy crumb thanks to the butter and eggs. They’re ideal for potlucks, cookie exchanges, or when you want a crowd-pleasing treat without complicated steps. The recipe uses pantry staples and lets you swap in what you have—chocolate chips, nuts, or candy pieces—making it a perfect “clean out the pantry” dessert.
How to Make Santa’s Trash Cookie Bars
Follow the simple steps below. The dough comes together quickly and bakes into bars that slice easily once cooled. Read through the full directions before starting so you know when to fold in the mix-ins and how to check for doneness.
Ingredients:
1 cup unsalted butter, softened, 1 cup brown sugar, 1/2 cup granulated sugar, 2 large eggs, 1 teaspoon vanilla extract, 3 cups all-purpose flour, 1 teaspoon baking soda, 1/2 teaspoon salt, 1 cup chocolate chips, 1 cup M&M’s, 1 cup chopped nuts (optional), 1 cup crushed pretzels (optional)
Directions:
Step 1: Preparation
Preheat your oven to 350°F (175°C) and grease a large baking dish. I use a 9×13-inch pan for even thickness. Greasing with butter or nonstick spray prevents sticking and helps the edges become golden.
Step 2: Mixing
In a large bowl, cream together the softened butter, brown sugar, and granulated sugar until smooth and slightly fluffy. Beat in the eggs one at a time, then stir in the vanilla. In another bowl, whisk together the flour, baking soda, and salt. Gradually add the dry mix to the butter mixture, mixing until just combined. Overmixing can make the bars tough.
Step 3: Folding in Mix-ins
Fold in the chocolate chips, M&M’s, chopped nuts, and crushed pretzels if using. Fold gently so the dough stays tender and the mix-ins distribute evenly. Reserve a handful of M&M’s or chips to press on top for a prettier finish before baking.
Step 4: Baking
Spread the mixture evenly in the prepared baking dish, smoothing the top with a spatula. Bake for 25–30 minutes until the top is golden brown and a toothpick inserted near the center comes out with a few moist crumbs (not raw batter). Baking times vary by oven and pan; check at 25 minutes.
Step 5: Cooling and Cutting
Allow the bars to cool completely in the pan before cutting. Cooling lets the structure set so you get clean slices. Run a knife around the edges first, then slice into 12 squares or 16 smaller bars.
How to Serve Santa’s Trash Cookie Bars
Serve warm (slightly cooled) with a glass of cold milk, coffee, or hot chocolate. For parties, arrange on a festive platter and dust with powdered sugar or top with extra M&M’s for color. They’re great paired with vanilla ice cream for a dessert sundae or wrapped individually for bake sale treats.
How to Store Santa’s Trash Cookie Bars
- At room temperature: Store in an airtight container for up to 3 days. Place parchment between layers to prevent sticking.
- In the fridge: Keep for up to 7 days; let them come to room temperature before serving for the best texture.
- In the freezer: Wrap bars individually in plastic wrap and place in a freezer bag for up to 3 months. Thaw at room temperature or warm briefly in a low oven.
Expert Tips for Perfect Santa’s Trash Cookie Bars
- Soften butter properly: Leave at room temperature until it yields to gentle pressure. Too hard or melted butter changes texture.
- Don’t overmix: Once you add flour, mix just until combined to keep bars tender.
- Even layer: Press the dough evenly into the pan so bars bake uniformly.
- Watch the edges: If edges brown too fast, cover loosely with foil after 20 minutes to avoid over-browning.
- Mix-in guidance: Use similar-sized mix-ins so bars cut nicely. If using larger pieces (cookies, whole nuts), chop them down.
- Substitutions: Use 1 cup of dark chocolate chips or white chocolate for flavor swaps. Swap M&M’s for chopped candy canes (for a mint twist) or pretzels for crushed potato chips for a different salty crunch.
Delicious Variations
- Double Chocolate: Use cocoa and replace 1 cup flour with 3/4 cup cocoa powder plus 1/4 cup flour, and add extra chocolate chips.
- Peanut Butter Twist: Substitute 1/2 cup peanut butter for 1/2 cup butter and add chopped peanuts.
- Nut-Free: Omit nuts and use sunflower seeds or extra pretzels for crunch to make it nut-free.
- Festive Mint: Replace M&M’s with crushed peppermint candies and white chocolate chips.
- Chewy Salted Caramel: Drizzle soft caramel on top after baking and sprinkle with coarse sea salt.
Frequently Asked Questions
Q: Can I make these bars without nuts?
A: Yes. The recipe works well without nuts. Replace them with extra chocolate chips, sunflower seeds, or additional crushed pretzels for texture.
Q: Can I use margarine or oil instead of butter?
A: Margarine can work, but butter gives the best flavor and texture. Oil will make the dough denser and change the crumb. If you must substitute, use a stick margarine and expect slight texture differences.
Q: How do I know when the bars are done?
A: The top should be golden brown and a toothpick in the center should come out with a few moist crumbs. If it comes out wet with batter, bake a few minutes longer.
Q: Can I bake this as cookies instead of bars?
A: Yes. Scoop tablespoon-sized balls, flatten slightly, and bake at 350°F (175°C) for 10–12 minutes. Keep an eye on baking time since cookies bake faster.
Q: Will the M&M colors bleed into the dough?
A: Some color may soften, especially if the candy gets warm, but generally M&M’s hold their color. Press a few on top after baking for the brightest look.
Q: Can I halve the recipe?
A: Yes. Use an 8×8-inch pan and reduce baking time slightly—start checking at 20 minutes.
Q: Can I make the dough ahead of time?
A: You can mix the dough and refrigerate for up to 24 hours. Bring to room temperature for 15–20 minutes before spreading and baking. Cold dough may need a couple extra minutes in the oven.
Conclusion
These Santa’s Trash Cookie Bars are a cheerful, forgiving treat that bring sweet and salty flavors together in each bite. They bake quickly, travel well, and let you tailor mix-ins to what you have on hand. Try them for celebrations or as a cozy kitchen project — they’re sure to disappear fast. Enjoy baking, and have fun making this recipe your own!
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Santa’s Trash Cookie Bars
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- Author: alicia
- Total Time: 50 minutes
- Yield: 12 bars 1x
- Diet: Vegetarian
Description
A joyful mash-up of sweet, salty, and crunchy cookie bars, perfect for holiday parties and cozy nights.
Ingredients
- 1 cup unsalted butter, softened
- 1 cup brown sugar
- 1/2 cup granulated sugar
- 2 large eggs
- 1 teaspoon vanilla extract
- 3 cups all-purpose flour
- 1 teaspoon baking soda
- 1/2 teaspoon salt
- 1 cup chocolate chips
- 1 cup M&M’s
- 1 cup chopped nuts (optional)
- 1 cup crushed pretzels (optional)
Instructions
- Preheat your oven to 350°F (175°C) and grease a large baking dish.
- Cream together the butter, brown sugar, and granulated sugar until smooth.
- Beat in the eggs one at a time, then stir in the vanilla.
- Whisk together the flour, baking soda, and salt in another bowl.
- Gradually add the dry mix to the butter mixture, mixing until just combined.
- Fold in the chocolate chips, M&M’s, chopped nuts, and crushed pretzels.
- Spread the mixture evenly in the prepared baking dish.
- Bake for 25–30 minutes until the top is golden brown.
- Cool completely in the pan before cutting into bars.
Notes
For a festive touch, dust with powdered sugar or add extra M&M’s on top.
- Prep Time: 20 minutes
- Cook Time: 30 minutes
- Category: Dessert
- Method: Baking
- Cuisine: American
Nutrition
- Serving Size: 1 bar
- Calories: 575
- Sugar: 40g
- Sodium: 250mg
- Fat: 33g
- Saturated Fat: 14g
- Unsaturated Fat: 19g
- Trans Fat: 0g
- Carbohydrates: 73g
- Fiber: 3g
- Protein: 7g
- Cholesterol: 105mg




