Peanut Butter Marshmallow Bars
Peanut Butter Marshmallow Bars are a classic, no-bake dessert bar with a sweet, chewy texture. They typically feature a base of peanut butter, oats, and sugar, topped with a layer of marshmallows or marshmallow fluff. This treat is a beloved staple in American home baking and potlucks, often associated with childhood nostalgia.
🍽️ Nutrition at a glance
These bars are very high in carbohydrates and fat, primarily from sugar and peanut butter, making them a dense, energy-rich snack. A single serving provides a significant calorie boost, often around 250-350 calories, and offers a good amount of protein and fiber from the oats and peanuts.
Nutrition breakdown
| Calories | 310 kcal |
| Protein | 6 g |
| Carbs | 38 g |
| Fat | 16 g |
| Fiber | 2 g |
| Sugar | 24 g |
| Sodium | 190 mg |
| Iron | 2.1 mg |
| Magnesium | 45 mg |
| Phosphorus | 80 mg |
| Potassium | 150 mg |
| Zinc | 0.8 mg |
| Vitamin B6 | 0.1 mg |
| Folate | 35 mcg |
| Manganese | 0.5 mg |
Per 1 bar (65 g) · estimated, varies by recipe
💡 What's interesting
Culturally, these bars are a quintessential example of 'pantry baking,' using simple, shelf-stable ingredients to create a satisfying treat. Nutritionally, they are interesting because the combination of peanut butter and oats provides a more sustained energy release than typical sugary snacks, despite their high calorie content.
