Magic Rainbow Cookie Bars

Prep: 10 min Cook: 30 min Serves: 12 Cuisine: American

Magic Rainbow Cookie Bars are a delightful layered treat featuring a crunchy graham cracker crust, topped with sweet condensed milk, nuts, and colorful M&M's. Perfect for parties or casual gatherings, these bars offer a combination of crunch, sweetness, and vibrant colors that appeal to all ages.

Be the first to rate this recipe

Ingredients

  • graham cracker crumbs
  • nuts
  • condensed milk
  • margarine

Instructions

  1. Preheat oven to 350°F (325°F if using a glass dish).
  2. In a 13 x 9-inch pan, melt butter in the oven.
  3. Sprinkle graham cracker crumbs over melted butter.
  4. Pour condensed milk evenly over the crumbs.
  5. Top with nuts and M&M's.
  6. Press down firmly to set the layers.
  7. Bake for 25 to 30 minutes or until light brown.
  8. Allow to cool before chilling.
  9. Chill and store at room temperature.

Tips & Substitutions

For a nut-free version, consider using sunflower seeds or omit nuts entirely. You can substitute margarine with unsalted butter for richer flavor. Ensure you press the layers down firmly to prevent them from crumbling after baking. If you prefer a sweeter touch, add chocolate chips along with the nuts and M&M's. This dessert is perfect for gatherings, just like the Day After Christmas Casserole.

Serving Suggestions

These cookie bars are delightful on their own but can be served with a scoop of vanilla ice cream or a dollop of whipped cream for an indulgent treat. They pair well with a hot cup of coffee or a glass of milk. For a festive touch, consider serving alongside Coconut Cream Pie (No Bake) at your next gathering.

Storage & Reheating

Store leftover Magic Rainbow Cookie Bars in an airtight container at room temperature for up to a week. If you prefer a firmer texture, refrigerate them for a few hours before serving. To reheat, place a bar in the microwave for 10-15 seconds, just until warm, but be careful not to melt the chocolate.

Nutrition & Diet Analysis (per serving)

Each serving of Magic Rainbow Cookie Bars contains roughly 6 calories, with 0g protein, 0g carbohydrates, and 1g fat.

6 kcal
Protein Fat Carbs

Macronutrients

Protein 0.1g
Total Fat 0.5g 1% DV
Carbs 0.5g
Fiber 0g
Sugar 0.2g

Electrolytes

Sodium 3.3mg
Potassium 4.6mg
Cholesterol 0.1mg

Vitamins & Minerals

Vitamin A 0.3mcg
Vitamin C 0mg
Calcium 1.4mg
Iron 0mg
Diet fit Keto-friendly Under 400 cal
Contains Milk Wheat/Gluten

Estimated from ingredients & per-serving nutrition — verify against package labels for allergies or strict diets.

* % Daily Values based on a 2,000 calorie diet (FDA 2020).

Frequently Asked Questions

Can I use different types of nuts in this recipe?

Absolutely! You can use any nuts you prefer or have on hand, such as walnuts, pecans, or almonds. Just make sure to chop them coarsely for better texture. If you’re looking for a crunchier bar, consider adding some crushed pretzels or coconut flakes.

Can I make these cookie bars ahead of time?

Yes, you can prepare them a day or two in advance. After baking and cooling, store them in an airtight container. This allows the flavors to meld beautifully. Just remember to let them come to room temperature before serving for the best taste.

What can I do if my bars are too crumbly?

If your bars turn out crumbly, it might be due to not pressing the layers down firmly enough before baking. Next time, ensure you press down hard. If they still crumble, you can serve them as a parfait layered with whipped cream and fresh fruits for a delicious dessert option.

Nutrition is estimated from USDA FoodData Central ingredient data and may vary with brand, portion and preparation — see our methodology. This information is for general educational purposes only and is not medical or dietary advice (disclaimer).

American recipes → Dairy recipes → All recipes →