M&M's Cookie Bars

M&M's Cookie Bars are a popular American dessert that combines the chewy, buttery texture of a classic cookie bar with the colorful, candy-coated chocolate pieces of M&M's. The batter is typically made from flour, butter, sugar, eggs, and vanilla, then mixed with M&M's and baked in a pan before being cut into squares. This treat is a staple at bake sales, potlucks, and holiday gatherings across the United States.

🍽️ Nutrition at a glance

These bars are high in carbohydrates and fat, primarily from sugar, butter, and chocolate, with a moderate amount of protein from the flour and eggs. A single square can contain roughly 200-300 calories, offering quick energy but limited essential nutrients.

Nutrition breakdown

Calories	290 kcal
Protein	3 g
Carbs	40 g
Fat	14 g
Fiber	1 g
Sugar	24 g
Sodium	150 mg
Iron	2 mg
Calcium	30 mg
Potassium	100 mg
Vitamin A	20 mcg RAE
Vitamin D	0.2 mcg
Thiamin (B1)	0.1 mg
Niacin (B3)	1.2 mg
Magnesium	15 mg

Per 1 bar (60 g) · estimated, varies by recipe

💡 What's interesting

Culturally, M&M's Cookie Bars represent a fun, customizable twist on the classic chocolate chip cookie, often used to celebrate occasions like birthdays or game days. Nutritionally, the vibrant M&M's add visual appeal and a textural contrast, though they contribute significantly to the sugar content.