Rainbow M&M'S Cookie Bars Recipe
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Prep Time
15 mins
-
Total Time
15 mins
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Servings
24 bars
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Calories
174 kcal
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Course
Baked Goods
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Cuisine
American
Rainbow M&M'S Cookie Bars Recipe
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Rainbow Cookie Bars: delicious chocolate chip cookie bars topped with a rainbow buttercream (tutorial).
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Ingredients
- 1 batch M&M Cookie Bars
For the Frosting:
- 1 cup unsalted butter softened
- 5 ½ cups powdered sugar
- ¼ cup milk
- 2 teaspoons vanilla extract
- Gel food coloring
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Instructions
- For the cookies, bake and cool one batch of chocolate chip cookie bars.
- Start by making your basic white buttercream frosting.
- I make a larger batch so that I can put a decent sized "rainbow" on each individual cookie bar (or cupcake!). You can cut the batch in half if you think you prefer less frosting.
- Start by beating softened butter for about 3 minutes using an electric mixer with whisk attachment. Scrape down the sides of the bowl as needed, until you see the butter turn pale in color, and smooth.
- Add powdered sugar, milk, and pure vanilla extract.
- Beat an additional 3-5 minutes until light and fluffy.
- Now decide how many colors in your rainbow!
- I chose four pastel colors for my spring cookies!
- Separate your frosting into small bowls (for each color). Add one drop of gel coloring to each bowl, stir until no white frosting is seen. Add more color if desired.
- Spoon frosting into small 12-inch disposable frosting bags. Snip off the tips.
- Carefully slide all four bags into a LARGER frosting bag. I used an 18-inch bag with star tip attached.
- Pipe frosting onto cooled cookie bars!
Equipments used:
Notes
- Frosting will stay good in the refrigerator for 4-5 days.
- However, should you choose to freeze frosting, it can keep in an airtight container for up to 3 months in the freezer.
- Thaw frosting overnight in the refrigerator.
- You may need to beat it again with your mixer to get it light and fluffy, and you may need to add 1-2 TBSP of milk too.
- Use Americolor gel colors for more vibrant colors that require less drops. Each of my colors was ONE drop of gel.
- Frosting will stay good in the refrigerator for 4-5 days.
- However, should you choose to freeze frosting, it can keep in an airtight container for up to 3 months in the freezer.
- Thaw frosting overnight in the refrigerator.
- You may need to beat it again with your mixer to get it light and fluffy, and you may need to add 1-2 TBSP of milk too.
Nutrition Information
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Calories
174kcal
(9%)
Carbohydrates
26g
(9%)
Fat
8g
(12%)
Saturated Fat
5g
(25%)
Polyunsaturated Fat
3g
Cholesterol
21mg
(7%)
Sodium
7mg
(0%)
Sugar
25g
(50%)
Nutrition Facts
Serving: 24bars
Amount Per Serving
Calories 174 kcal
% Daily Value*
| Calories | 174kcal | 9% |
| Carbohydrates | 26g | 9% |
| Fat | 8g | 12% |
| Saturated Fat | 5g | 25% |
| Polyunsaturated Fat | 3g | 18% |
| Cholesterol | 21mg | 7% |
| Sodium | 7mg | 0% |
| Sugar | 25g | 50% |
* Percent Daily Values are based on a 2,000 calorie diet.
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