Why You’ll Love This Recipe

Cake Mix Monster Cookies are the ultimate easy treat—soft, chewy, and packed with colorful candies, chocolate chips, and peanut butter goodness. Made with a box of cake mix and a handful of pantry staples, these cookies come together fast and are perfect for bake sales, parties, or when you need a sweet fix in a flash.

ingredients

(Tip: You’ll find the full list of ingredients and measurements in the recipe card below.)

yellow or chocolate cake mixeggsbuttermelted peanut butter (optional for extra flavor)old-fashioned oatschocolate chipsM&M’s (or similar candy-coated chocolates)brown sugar (optional for added chew)

directions

Preheat oven to 350°F (175°C) and line a baking sheet with parchment paper.

In a large bowl, mix cake mix, eggs, melted butter, and peanut butter (if using) until well combined.

Stir in oats, chocolate chips, and M&M’s until evenly distributed.

Scoop dough into rounded balls and place on prepared baking sheet, spacing a few inches apart.

Bake for 10–12 minutes, or until edges are set and centers are slightly soft.

Let cool on the pan for 5 minutes, then transfer to a wire rack to cool completely.

Servings and timing

This recipe yields about 24 cookies.Preparation time: 10 minutesBaking time: 10–12 minutesCooling time: 10 minutesTotal time: 30–35 minutes

Variations

Use different cake mix flavors like funfetti, red velvet, or devil’s food.

Add chopped nuts, dried fruit, or crushed pretzels for extra texture.

Swap M&M’s for mini peanut butter cups or white chocolate chips.

Make them jumbo-sized for a bakery-style treat.

storage/reheating

Store cookies in an airtight container at room temperature for up to 5 days.Freeze baked cookies for up to 2 months; thaw at room temperature before serving.Warm slightly in the microwave for a fresh-from-the-oven feel.

FAQs

Can I use any cake mix?

Yes, any standard 15.25 oz box will work—adjust flavors to suit your taste.

Do I need to chill the dough?

Not necessary, but you can chill it for thicker cookies.

Can I make them gluten-free?

Yes, use a gluten-free cake mix and certified gluten-free oats.

What kind of oats should I use?

Old-fashioned oats give the best texture—avoid quick oats.

Can I skip the peanut butter?

Yes, but it adds extra richness. Use sunflower butter for a nut-free option.

Why are they called “monster” cookies?

Because they’re packed with a mix of everything—candies, oats, chocolate, and more!

Can I double the recipe?

Absolutely, just bake in batches to avoid overcrowding the pan.

How do I keep them soft?

Store with a slice of bread in the container to maintain moisture.

Can I add food coloring?

Yes, tint the dough for holidays or themed events.

Do they spread a lot?

They spread moderately—use parchment and leave space between each scoop.

Conclusion

Cake Mix Monster Cookies are quick, customizable, and irresistibly loaded with fun. Whether you’re baking for a party or craving a colorful, chewy cookie, these easy treats are sure to satisfy every sweet tooth with minimal effort and maximum flavor.